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SLEEP HEALTH & HYGIENE

 * Overview
 * How Much Sleep Do You Need?
 * Sleep Cycles & Stages

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HOW MUCH SLEEP DO YOU REALLY NEED EACH NIGHT?

By
Clare Kittredge
Medically Reviewed
by
Daniel Barone, MD
Updated on March 3, 2024
 * Sleep Needs and Age
 * Sleep Needs and Gender


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Teenagers need 8 to 10 hours of sleep, while adults should get 7 to 9
hours.Adobe Stock
Sure, you’re eating your vegetables and fruits and squeezing in at least 30
minutes of exercise a day, but are you getting enough sleep, too? The National
Sleep Foundation’s sleep recommendations may make you think twice about skimping
on essential shut-eye.

[1]

 Sleep is key to your physical health and emotional vitality, but just how many
hours of sleep you need depends on your age and stage of development.

“Sleep is important for mental function: alertness, memory consolidation, mood
regulation, and physical health,” says Phyllis C. Zee, MD, PhD, a professor of
neurology and the director of the sleep disorders center at Northwestern
University Feinberg School of Medicine in Chicago.

Too few hours of sleep or poor sleep can pave the way to myriad emotional and
physical problems, from diabetes to obesity, explains Dr. Zee. 

“In fact, data shows that with sleep loss, there are changes in the way the body
handles glucose, which could lead to a state of insulin
resistance (prediabetes),” says Zee.

[2]

“There is also evidence that lack of sleep alters appetite regulation, which may
lead to overeating or food choices that can also contribute to obesity or being
overweight.”

[3]


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YOUR SLEEP NEEDS WILL CHANGE OVER THE YEARS

How much sleep you need to stay healthy, alert, and active depends on your age
and varies from person to person. Most adults need at least seven hours of sleep
each night.

The National Sleep Foundation (NSF) and a panel of 18 experts combed through
more than 300 studies to identify the ideal amount of time a person needs to
sleep per day according to their age. They made the following recommendations:

[1]

 * Newborns (0 to 3 months): 14 to 17 hours of sleep
 * Infants (4 to 11 months): 12 to 15 hours of sleep
 * Toddlers (1 to 2 years): 11 to 14 hours of sleep
 * Preschoolers (3 to 5 years): 10 to 13 hours of sleep
 * School-age children (6 to 13 years): 9 to 11 hours of sleep
 * Teenagers (14 to 17 years): 8 to 10 hours of sleep
 * Young adults (18 to 25 years): 7 to 9 hours of sleep
 * Adults (26 to 64 years): 7 to 9 hours of sleep
 * Older adults (65 years or older): 7 to 8 hours of sleep




GENDER TENDS TO AFFECT OUR SLEEP PATTERNS

Although there’s no difference in the sleep recommendations for men and women,
gender can indeed affect sleep needs and patterns.


On the whole, women tend to need more sleep than men, and they are diagnosed
with sleep disorders more often than men. For example, women are 40 percent more
likely to have insomnia than men, and women are nearly twice as likely to
grapple with anxiety and depression — conditions that are both tied to insomnia.

[4]

Bear in mind that women also encounter other gender-specific factors that tamper
with their sleep, including hormonal changes related to menstruation and
menopause, and pregnancy and postpartum health. These life stages can trigger
sleep issues — including obstructive sleep apnea and restless legs syndrome —
and medical problems like arthritis, back pain, and fibromyalgia.

[5]

Research suggests that during pregnancy, restless legs syndrome is one of the
most common movement disorders diagnosed in the third trimester, with the
symptoms tapering off after delivery. It causes an unpleasant sensation in your
legs coupled with an uncontrollable urge to get up and move, with symptoms
flaring up during bedtime.

[6]

On the other hand, men have higher rates of heart disease and chronic lung
problems, which can affect their sleep, too. Statistics show that men are also
more likely than women to drink excessively.

[7]

Bear in mind that alcohol affects the sleep cycle — while it may help to lull
you into slumber, when your body starts to metabolize it, the sedative effect
wears off. This, in turn, disrupts your sleep cycle and prevents deep sleep from
occurring.

[8]

Snoring is another factor that may prevent you from getting the rest you need.
It’s a sign your airflow is blocked or restricted; it may disrupt your breathing
and stir you awake.

[9]

Nearly 90 million of us snore to some degree at night, with men being more
likely to snore than women.

[10]

Men often have air passages that are narrower than women’s, which results in
more night noise as the breath is forced through a smaller opening. (Snoring is
a symptom of sleep apnea, a common but serious sleep disorder that can interfere
with breathing during sleep. If you snore, it’s a good idea to ask your doctor
if you should be screened.)
Both women and men can improve their nighttime rest quality by adopting a few
sleep best practices. These include adhering to the same wake and sleep
schedule every day, powering down electronics at least an hour before bed, and
keeping the room you snooze in on the cool side (between 60 and 67 degrees is
ideal).

[11]

 And do stick to a relaxing routine before bed, such as a warm bath, a light
snack, or quiet reading before you snuggle in.
Not sure if you’re getting the right amount of sleep? Sleep is a topic you
should discuss with your doctor — whether you’re getting enough of it or not
(your doctor should be bringing it up, just as they should ask about exercise
and eating patterns).

[12]

If you’re having trouble sleeping, keep a sleep diary for about a week so you
can share those details with your doctor. It will help them get an accurate
picture of what your sleep complaints are and figure out the best next steps to
address them.

Additional reporting by Carmen Chai.

Editorial Sources and Fact-Checking

Everyday Health follows strict sourcing guidelines to ensure the accuracy of its
content, outlined in our editorial policy. We use only trustworthy sources,
including peer-reviewed studies, board-certified medical experts, patients with
lived experience, and information from top institutions.

SOURCES

 1.  Hirshkowitz M et al. National Sleep Foundation’s Sleep Time Duration
     Recommendations: Methodology and Results Summary. Sleep Health. March 2015.
 2.  Rafalson L et al. Short Sleep Duration Is Associated With the Development
     of Impaired Fasting Glucose: The Western New York Health Study. Annals of
     Epidemiology. December 2010.
 3.  St-Onge MP et al. Short Sleep Duration Increases Energy Intakes but Does
     Not Change Energy Expenditure in Normal-Weight Individuals. The American
     Journal of Clinical Nutrition. August 2011.
 4.  Pacheco D et al. Do Women Sleep More Than Men? Sleep Foundation. August 1,
     2023.
 5.  Suni E et al. How Is Sleep Different for Men and Women? Sleep Foundation.
     March 7, 2023.
 6.  Darvishi N et al. The Prevalence of Restless Legs Syndrome/Willis-Ekbom
     Disease (RLS/WED) in the Third Trimester of Pregnancy: A Systematic Review.
     BMC Neurology. April 13, 2020.
 7.  Excessive Alcohol Use Is a Risk to Men’s Health. Centers for Disease
     Control and Prevention. February 29, 2024.
 8.  Why You Should Limit Alcohol Before Bed for Better Sleep. Cleveland Clinic.
     June 16, 2020.
 9.  Pacheco A. Snoring: Harmless or Dangerous? Sleep Foundation. February 16,
     2024.
 10. Deshong A. Snoring. SleepDoctor.com. January 18, 2024.
 11. Breus M. What Is the Best Temperature for Sleep? SleepDoctor.com. February
     21, 2024.
 12. Pacheco D. How to Talk to Your Doctor About Your Sleep. Sleep Foundation.
     December 21, 2023.

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