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What exactly does sleep do for your body and mind? Here’s what researchers know about the science of sleep—including the stages of sleep, your biological clock, health connections and more.
- How Much Sleep Do You Need?
- Stages of Sleep
- Trouble Sleeping? When to See A Doctor
The younger you are, the more sleep you need. Babies need a lot of sleep. As kids grow, their sleep needs decrease. “By adulthood, most healthy people need 7 to 8.5 hours,” says psychologist and sleep disorder specialist Michelle Drerup, PsyD, DBSM. Here’s how much kids and adults need, on average according to the Centers for Disease Control and Pr...
An average sleep cycle lasts about 90 minutes. Ideally, you need four to six cycles of sleepevery 24 hours to feel fresh and rested. Each cycle contains four individual stages: three that form non-rapid eye movement (NREM) sleep and one rapid eye movement (REM) sleep. While the time spent in each stage varies the longer you’re asleep, and you might...
About 70 million people in the U.S. experience sleep disorders, ranging from insomnia to sleep apnea, restless legs syndrome, narcolepsyand more. If you’re concerned about your sleep patterns or if you’re experiencing some of these disorders, schedule an appointment with your family doctor or a sleep clinic, as you may need to participate in a slee...
- Research shows that in the days leading up to a full moon, people go to bed later and sleep less, although the reasons are unclear.
- If it takes you less than five minutes to fall asleep at night, you’re probably sleep-deprived. Ideally, falling asleep should take 10 to 15 minutes.
- Sea otters hold hands when they sleep so they don’t drift away from each other.
- Tiredness peaks twice a day: Around 2 a.m. and 2 p.m. for most people. That’s why you’re less alert after lunch.
Sep 5, 2024 · Sleep is a complex and dynamic process that affects how you function in ways scientists are now beginning to understand. This webpage describes how your need for sleep is regulated and what happens in the brain during sleep.
May 15, 2024 · Better sleep habits can help you get a good night's sleep. Habits that can improve your sleep include: Going to bed and getting up at the same time every day. Keeping your bedroom quiet, relaxing, and at a cool temperature. Turning off electronic devices at least 30 minutes before bedtime.
Jun 19, 2023 · Sleep is a natural process that your body uses to rest and repair itself. While it might seem as simple as closing your eyes and nodding off, sleep is anything but simple. In fact, modern medicine’s understanding of sleep, what it does and how it works is just getting off the ground.
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Use the sleep calculator to develop an optimal sleep schedule based on your unique biology and lifestyle preferences, including your age and either your bedtime or wake-up time. The sleep calculator is simple to use and ensures your schedule allows ample time for rest.
