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12 Reasons You’re Not Sleeping Well

Sarah Gupta, MDSophie Vergnaud, MD
Written by Sarah Gupta, MD | Reviewed by Sophie Vergnaud, MD
Published on July 14, 2023

Key takeaways:

  • There are many different things that can interfere with a good night of sleep. These include your environment, what you eat and drink, and even your mental and physical health. 

  • Trouble sleeping can also be caused by sleep disorders, both temporary and long term. There are many different types of sleep disorders, like sleepwalking, jet lag, and sleep apnea. 

  • If you’re not sleeping well at night, making changes to your daily habits can help. Sometimes it can be worthwhile to talk to a doctor, too. 

Man staring at a mobile device while lying in bed at night
PeopleImages/iStock via Getty Images Plus

Do you ever feel like it’s hard to get a good night of sleep? If so, you’re not alone. According to the CDC, about 1 in 7 adults have trouble falling asleep most of the time. 

After all, there are a lot of different things that can get in the way of a good night of sleep. Sleep disorders, like insomnia and restless legs syndrome, often keep people awake. Your mental and physical health — as well as what medications you take — can also play a pretty big role. And your lifestyle choices, stress level, and even what you eat and drink can all affect your sleep, too. 

Not being able to sleep well can really take a toll on your mind and body. So, let’s take a look at the top 12 reasons you might be struggling to sleep well. Knowing why can help you take action and hopefully get more rest at night. 

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Quiz: Do I have insomnia?

1. Napping

Naps are popular for people of all ages. According to the National Sleep Foundation, about 1 in 3 adults in the U.S. take a daily nap. And though naps can help you feel more alert and rested, napping too long can actually make it harder to fall asleep at night.

If you like to nap, consider limiting yourself to a “power nap” of about 20 minutes. This gives your body long enough to rest, but not enough time to go into the deepest stages of sleep (the N3 stage of non-REM sleep). This means you wake feeling refreshed, rather than groggy. A 20-minute nap is also short enough that it won’t interfere with your nightly sleep. 

2. Jet lag

When you travel to a new time zone, it can be hard for your internal body clock to adjust. This can cause a temporary sleep disorder called jet lag. Jet lag leaves you feeling sleepy and unwell during the day — and makes it hard to sleep at night. It usually goes away on its own in a few days after your body adjusts. 

3. Anxiety

Anxiety can affect your sleep in two ways. First, anxiety (and many anxiety disorders) can directly interfere with your sleep. And second, when you don’t sleep well, you may actually feel even more anxious the following day. Many people also feel worried and anxious about getting to sleep that night, creating a cycle of anxiety and sleep problems.

4. Stress

Just like anxiety, stress isn’t good for sleep. According to Dr. Sarah Silverman, holistic sleep expert and SleepFoundation.org contributor, stress can cause a physical response in your body that makes it hard to sleep. 

Dr. Silverman explains that “increased stress can activate what’s called ‘hyperarousal.’” Your nervous system turns on, and it feels like the “classic ‘fight-or-flight’ response.” This can put your mind and body on “high alert” at bedtime, and make it hard to fall asleep quickly.

5. Depression

Depression can cause sleep problems, too. People with depression can have problems falling asleep and staying asleep. Depression can also make you feel tired and “heavy” during the daytime, or make you wake up earlier in the morning than you’d like. 

6. Caffeine

Caffeine is a molecule that makes you feel more alert. This can be helpful during the day, when you’d like to be awake. But if you have caffeine too close to bedtime, it can make it hard to sleep. Experts recommend avoiding caffeine for 4 to 6 hours before bedtime, especially if you’ve noticed that it affects your sleep. 

7. Alcohol

Though alcohol can make you feel drowsy, it’s actually not good for your sleep, even in small amounts. This is because alcohol interrupts your normal sleep patterns, especially in the second half of the night as your body breaks down the alcohol. 

When you drink alcohol before bedtime, it makes you wake up a lot and decreases the quality of your sleep. Alcohol can also make sleep apnea symptoms worse. 

8. Screen time

No matter whether it’s your television, cell phone, or computer, staring at a screen before bed can make it hard to fall asleep. This is because screens emit a frequency of light (blue light) that sends a wake-up signal to your brain. 

Going on social media, replying to email, or reading/watching the news right before bed can also cause digital overload, which can also make it hard to get to sleep. 

9. Medication

Many common medications can cause sleep problems, too. These include prescription medications used to treat depression, anxiety, and ADHD. Steroids, beta blockers, and thyroid medication are also known to interfere with sleep. And some over-the-counter medications (like decongestants) can also cause insomnia. 

10. Eating before bed

There’s some evidence that eating in the hour before bedtime can interfere with your sleep. This may be especially true if you eat a large amount of food, or consume spicy foods. If you do get hungry in the evening before bedtime, a small, simple snack may be the best choice, like a small portion of oatmeal or yogurt, or a piece of fruit. 

11. Sleep disorders

In addition to insomnia and jet lag, there are many other sleep disorders that can interrupt your sleep (more on these below). Common examples are sleep apnea and restless legs syndrome. These conditions can cause problems with your normal sleep patterns and make it hard for you to rest at night. 

12. Lack of movement in your day

If you spend most of your day sitting or lying down, it can be hard on your health. This type of inactive lifestyle is linked to health problems like stroke, high blood pressure, and high cholesterol, among others. It can also increase your risk for insomnia and other sleep problems. 

Do you have a sleep disorder?

If you have ongoing sleep problems, it’s possible that you could have a sleep disorder. There are dozens of different types of sleep disorders, each with their own symptoms and treatments. According to the American Academy of Sleep Medicine, sleep disorders fall into these six general categories:

  • Circadian rhythm disorders: These are problems with your body’s sleep-wake cycle. Examples include jet lag, shift work sleep disorder, and delayed sleep-wake phase disorder. 

  • Insomnia: These are a group of disorders where you have trouble falling asleep or staying asleep at night. 

  • Hypersomnias: Hypersomnias are sleep disorders where you feel excessively sleepy during the day, or you fall asleep at the wrong time of day. Examples include narcolepsy and idiopathic hypersomnia

  • Parasomnias: Parasomnias are undesirable movements or behaviors that happen while you are sleeping. Examples include sleepwalking and sleep-related eating disorder. 

  • Sleep-related breathing disorders: These are disorders where you have problems breathing while you are asleep. These include different types of sleep apnea and snoring

  • Sleep-related movement disorders: This is where you have movements during the night that make it difficult to fall asleep or to stay asleep. Examples include bruxism (teeth grinding), leg cramps, and restless legs syndrome. 

When should you talk to your doctor about sleep? 

If you’re having trouble sleeping, think about checking in with your healthcare provider. This is especially important if your problems have been going on for a while, or if they’re getting in the way of your daily life. To help know when you may need to see a doctor, Dr. Silverman recommends “the 30-30-3 rule of thumb.” 

Dr. Silverman’s 30-30-3 rule involves asking these three questions:

  1. Does it take you 30 minutes or longer to fall asleep?

  2. Are you awake for more than 30 minutes during the night?

  3. Are both of the above happening at least 3 nights a week? 

If you answered yes to any of the above questions, you may want to check in with your provider. Your provider can order tests to help figure out whether or not you have a sleep disorder — and if so, which one. They can also help determine whether a mental or physical health condition could actually be at the root of your sleep problems. 

What can you do if you’re having trouble sleeping?

If you’re having trouble sleeping, home remedies can also go a long way. These might include:

  • Good sleep hygiene: This means making lifestyle choices that support a good night of sleep, like setting a regular sleep schedule and creating a healthy bedtime routine. 

  • Meditation: Practicing meditation and/or mindfulness may potentially have many health benefits, including helping you to sleep better at night. Dr. Silverman says that “practicing a meditation exercise (whether guided or on your own) can also create a helpful ‘cue’ for sleep,” especially if you do it regularly.

  • Herbal supplements: Melatonin, magnesium, and chamomile may be helpful for people with certain types of sleep problems. Remember to always check with your healthcare provider before adding an herbal supplement to your treatment plan. 

Looking for more DIY tips? Check out our GoodRx Guide to Healthy Sleep

The bottom line

If you’re having trouble sleeping, there could be many different reasons behind it. It could be anything from too much screen time before bed, to medication or a sleep disorder. Even your eating habits and exercise choices can play a role. 

No matter what the reason for your sleep problem, think about talking to your healthcare provider if you’re having trouble getting enough rest at night. After all, sleeping well is good for both your physical and mental health. Your provider can help you sort out the cause(s) of your sleep problems, so that you can take action — and get back to sleeping soundly. 

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Why trust our experts?

Sarah Gupta, MD
Written by:
Sarah Gupta, MD
Sarah Gupta, MD, is a licensed physician with a special interest in mental health, sex and gender, eating disorders, and the human microbiome. She is currently board certified by the American Board of Psychiatry and Neurology.
Sophie Vergnaud, MD
Sophie Vergnaud, MD, is the Senior Medical Director for GoodRx Health. An experienced and dedicated pulmonologist and hospitalist, she spent a decade practicing and teaching clinical medicine at academic hospitals throughout London before transitioning to a career in health education and health technology.

References

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American Psychological Association. (2013). Stress and sleep.

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Gong, H., et al. (2016). Mindfulness meditation for insomnia: A meta-analysis of randomized controlled trials. Journal of Psychosomatic Research.

Hypersomnia Foundation. (2022). About idiopathic hypersomnia.

Kinsey, A. W., et al. (2015). The health impact of nighttime eating: Old and new perspectives. Nutrients.

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National Center for Complementary and Integrative Health. (2020). Chamomile.

National Institute for Occupational Safety and Health (NIOSH). (2020). NIOSH training for nurses on shift work and long work hours. Centers for Disease Control and Prevention.

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GoodRx Health has strict sourcing policies and relies on primary sources such as medical organizations, governmental agencies, academic institutions, and peer-reviewed scientific journals. Learn more about how we ensure our content is accurate, thorough, and unbiased by reading our editorial guidelines.

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