Sleep is a state of reduced mental and physical activity in which consciousness is altered and certain sensory activity is inhibited. During sleep, there is a marked decrease in muscle activity …

Jul 22, 2025 · Sleep is a complex biological process made up of several stages that cycle throughout the night. These stages include rapid eye movement (REM) sleep and non-REM …

Jan 31, 2025 · Consider simple tips for better sleep, from setting a sleep schedule to including physical activity in your daily routine. Many factors can interfere with a good night's sleep — …

Jun 19, 2023 · Sleep You spend about one-third of your life sleeping, but it’s still something many struggle with. Researchers and experts also struggle with it because of the mysteries …

May 15, 2024 · About Sleep Key points Good sleep is essential for our health and emotional well-being. Getting enough sleep and good sleep quality are essential for healthy sleep. The …

Throughout your time asleep, your brain will cycle repeatedly through two different types of sleep: REM (rapid-eye movement) sleep and non-REM sleep. The first part of the cycle is non-REM …

Nov 4, 2024 · Sleep is as vital to your health as food and water. Find out what makes for healthy sleep. Also learn about disorders, treatment, and more.

Getting a good night’s sleep every night is vital to cardiovascular health. Adults should aim for an average of 7-9 hours, and babies and kids need more depending on their age. Too little or too …

Aug 9, 2025 · Most adults need between seven and nine hours of sleep per day to maintain good health. Lack of sleep is linked to greater risks for heart disease, diabetes, and weight gain. …

Jul 22, 2025 · Despite how important sleep is to physical and mental well-being, you may find it challenging to get enough quality sleep each night. The impact of poor sleep can be felt in all …