Sleep Health
Science-backed guides to help you sleep better, understand sleep disorders, and wake up refreshed
30%
Adults have insomnia
Chronic insomnia
68%
Don't get enough sleep
Under 7 hrs/night
70–80%
CBT-I success rate
Best treatment
$411B
US annual productivity loss
Due to poor sleep
Sleep Basics
How Much Sleep Do You Really Need? By Age Group
Sleep needs change throughout life. Adults typically need 7-9 hours, but the ideal amount varies by individual.
7 min readThe Science of Sleep: What Happens While You Sleep?
Sleep cycles through REM and non-REM stages. Understanding them can help you optimize your rest.
9 min readYour Circadian Rhythm: How It Controls Sleep and Health
Your body's internal clock governs sleep, digestion, mood, and more. Learn how to keep it in sync.
8 min readWhy Sleep Is So Important for Your Health
Chronic sleep deprivation raises your risk for heart disease, diabetes, obesity, and mental health disorders.
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Sleep Disorders
Insomnia: Causes, Symptoms, and the Best Treatments
Insomnia affects about 35% of adults. Cognitive behavioral therapy for insomnia (CBT-I) is the gold-standard treatment.
11 min readSleep Apnea: Symptoms, Risks, and CPAP Therapy
Sleep apnea causes breathing to repeatedly stop during sleep. CPAP therapy is the most effective treatment.
10 min readRestless Legs Syndrome: What It Is and How to Treat It
RLS causes uncomfortable sensations in the legs that worsen at rest, especially at night.
8 min readNarcolepsy: The Sleep Disorder That Causes Sudden Sleep Attacks
Narcolepsy is a chronic neurological disorder that disrupts the brain's ability to regulate sleep-wake cycles.
9 min readBetter Sleep Tips
20 Tips to Sleep Better Every Night
From sleep hygiene basics to surprising hacks, these evidence-backed tips can help you get deeper, more restful sleep.
10 min readThe Best Pre-Sleep Routine, According to Sleep Experts
A calming wind-down routine signals to your brain it's time to sleep. Here's what experts recommend.
8 min readDoes Melatonin Work? What Research Says
Melatonin supplements are widely used to combat jet lag and insomnia. But how effective are they really?
7 min readScreen Time Before Bed: How Blue Light Wrecks Your Sleep
Blue light from phones and computers suppresses melatonin and delays sleep onset. Here's what to do about it.
6 min readSleep Medicine
Find a Sleep Medicine Specialist Near You
Verified, board-certified specialists accepting new patients in your area
Dr. Helen Park, MD
Sleep Medicine Specialist
Dr. Andrew Walsh, MD
Pulmonologist & Sleep Specialist
Dr. Nina Costa, MD
Neurologist & Sleep Medicine
Don't see a doctor near you?
View all Sleep Medicine specialists ›