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2. The benefits of going to bed early - AOL

   www.aol.com/finance/going-bed-9-p-m-105200520.html

   According to over two million smart-bed customers from Sleep Number, more people are reaping the benefits of an earlier night’s sleep. The average bedtime for younger adults crept down to 10:06 ...

3. Sleep Number - Wikipedia

   en.wikipedia.org/wiki/Sleep_Number

   The company manufactures the Sleep Number® bed, an adjustable air mattress.The "Sleep Number® setting" is a setting that adjusts the firmness or softness of the mattress on each side of the bed using air pressure (dual air chambers, one on each side), with higher numbers (up to 100) denoting higher pressure and more firmness, and lower numbers denoting less pressure and more softness.

4. Neuroscience of sleep - Wikipedia

   en.wikipedia.org/wiki/Neuroscience_of_sleep

   30 seconds of N3 – deep sleep. NREM Stage 3 (N3 – 15–25% of total sleep in adults): Formerly divided into stages 3 and 4, this stage is called slow-wave sleep (SWS) or deep sleep. SWS is initiated in the preoptic area and consists of delta activity, high amplitude waves at less than 3.5 Hz. The sleeper is less responsive to the ...

5. Sleep - Wikipedia

   en.wikipedia.org/wiki/Sleep

   The main health effects of sleep deprivation, [69] indicating impairment of normal maintenance by sleep. ... While the body benefits from sleep, ...

6. What Is Deep Sleep? Understanding the 4 Sleep Cycles & Why ...

   www.aol.com/deep-sleep-understanding-4-sleep...

   And slow-wave sleep, or stage 3 of non-REM sleep, is especially vital for restorative rest. Most people get around 1.5 to two hours of slow-wave sleep if they get eight hours of shut-eye.

7. Deep sleep can keep two big health problems at bay, new ... - AOL

   www.aol.com/deep-sleep-keep-two-big-145255709.html

   Two new studies indicate the importance of getting a good night's sleep — with one study saying a lack of sleep may be sabotaging the brain’s ability to keep intrusive thoughts at bay.