#sleep-science

#sleep-science

Insufficient sleep can significantly impact health and cognitive function.

Improving sleep habits is essential for overall well-being.

Morning erections, known as nocturnal penile tumescence, are a natural result of REM sleep and peak testosterone levels.

These erections are not solely due to sexual dreams, but rather a physiological response during sleep.

Napping can significantly enhance cognitive performance, but it still faces stigma in the U.S. workplace.

Mainstream sleep hacks lack solid scientific support and may not improve sleep quality effectively.

Behavioral modifications, not products, are key for improving sleep quality.

Napping can enhance memory and focus, and short naps (15-20 minutes) are most restorative.

Short naps can enhance creativity and productivity without leading to grogginess.

A natural napping routine can align with circadian rhythms for improved energy.

The brain cleans itself through glymphatic clearance, primarily during NREM sleep, driven by norepinephrine and inhibited by anesthesia and sleep medications.

The brain cleans itself by flushing harmful substances during sleep, emphasizing its vital role in cognitive health.

Norepinephrine spikes during sleep facilitate blood vessel contractions, enhancing the brain's waste disposal system.