Most adults who sleep the recommended seven to nine hours a night get roughly one to two hours of REM sleep. So, REM sleep should account for about 25 percent of your total sleep time. If you’re ...
Adequate Sleep Significantly Reduces the Risk of Hypertension in Adolescents Nov. 11, 2024 — Adolescents who meet the recommended guidelines of nine to 11 hours of sleep per day were shown to ...
Throughout the day, your internal clock rotates between sleep and wakefulness. This 24-hour sleep-wake cycle is known as your circadian rhythm, and it responds to different cues that tell your ...