Apr 5, 2024 · Sleep is an essential function that allows your body and mind to recharge, leaving you refreshed and alert when you wake up. Healthy sleep also helps the body remain healthy and stave off diseases. Without enough sleep, the brain cannot function properly, impairing your abilities to concentrate, think clearly, and process memories.

Jan 31, 2025 · Vivien Williams: Dr. Virend Somers is a cardiologist who studies sleep. Dr. Somers: Sleep is very much a multidisciplinary specialty for good reason because sleep affects all the organs of the body. Vivien Williams: Poor sleep may increase your risk of conditions such as heart disease, obesity, depression, dementia. And it even affects how you ...

Oct 23, 2020 · The structure of a person’s sleep stages and cycles is known as their sleep architecture. While deep sleep and REM sleep involve more profound changes in activity levels, experts believe that each stage plays a part in a healthy sleep architecture that …

Dec 8, 2023 · Stage 2 sleep can last for 10 to 25 minutes during the first sleep cycle, and each N2 stage can become longer during the night. Collectively, a person typically spends about half their sleep time in N2 sleep. Stage 3. Stage 3 sleep is also known as N3 or deep sleep, and it is harder to wake someone up if they are in this phase.

Feb 29, 2024 · Lack of sleep causes blood pressure to remain high for an extended period of time, increasing the risk of heart disease, heart attack, and heart failure. Regulated Blood Sugar Sleep impacts the body’s relationship with the hormone insulin, which helps blood sugar, or glucose, enter the body’s cells. The cells then use glucose as energy.

Dec 22, 2009 · Each sleep cycle takes between 70 and 120 minutes Trusted Source Division of Sleep Medicine at Harvard Medical School A production of WGBH Educational Foundation and the Harvard Medical School Division of Sleep Medicine. View Source. In the first sleep cycles of the night, more time is spent in non-REM sleep.

At Sleep Foundation, we combine decades of experience in sleep health education with comprehensive product testing and the latest in sleep research to put you on the path to good sleep. About Us See the Test Lab

We highlight the top sleep tips to add to your daily routine. By slowly building a routine that includes these healthy sleep tips, you will likely start to see your sleep improve. These tips go beyond what you do right before you go to bed. Building a healthy routine for better sleep includes paying attention to what you do during the day, too.

May 13, 2024 · Sleep recommendations for newborns are not available because sleep needs in this age group vary widely Trusted Source UpToDate More than 2 million healthcare providers around the world choose UpToDate to help make appropriate care decisions and drive better health outcomes. UpToDate delivers evidence-based clinical decision support that is ...

Mar 4, 2024 · Poor sleep hygiene can negatively impact both sleep quantity and quality. Good sleep hygiene includes setting a strict sleep schedule, following a bedtime routine, forming healthy habits, and optimizing your bedroom for sleep. Sleep hygiene alone will not cure sleep problems, so talk to a doctor about concerns.