Sleep Deprivation Affects Cognition via Myelin Loss
A new study links sleep loss to the thinning of the myelin layer, which slows signal transmission in axons. Restoring cholesterol homeostasis reverses this.
Pink Noise May Disrupt REM Sleep and Harm Sleep Quality, Researchers Say
A recent study suggests that pink noise may interfere with REM sleep nd reduce overall sleep quality. The researchers say that using earplugs may be a safer alternative to pink noise.
Sleeping less than 7 hours could cut years off your life
Sleep isn’t just about feeling rested—it may be one of the strongest predictors of how long you live. Researchers analyzing nationwide data found that insufficient sleep was more closely tied to shorter life expectancy than diet, exercise, or loneliness. The connection was consistent year after year and across most U.S. states. The takeaway is simple but powerful: getting seven to nine hours of sleep may be one of the best things you can do for long-term health.
Taking Melatonin Could Raise Your Risk of Heart Failure, Study Finds
New research suggests that people with insomnia who use melatonin supplements for more than a year have a higher risk of heart failure than those who don’t use the popular sleep aid.