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  2. Polyphasic sleep - Wikipedia

    en.wikipedia.org/wiki/Polyphasic_sleep

    Polyphasic sleep is the practice of sleeping during multiple periods over the course of 24 hours, in contrast to monophasic sleep, which is one period of sleep within 24 hours. Biphasic (or diphasic , bifurcated , or bimodal ) sleep refers to two periods, while polyphasic usually means more than two. [ 1 ]

  3. A sleep psychologist recommends the 3-2-1 rule to help you ...

    www.aol.com/news/3-2-1-rule-expert-020757765.html

    Breus broke down what they are and when to quit them with these simple guidelines that make up the 3-2-1 rule for sleep: Three hours before you go to sleep, stop drinking alcohol. Two hours before ...

  4. James Maas - Wikipedia

    en.wikipedia.org/wiki/James_Maas

    He is best known for his work in the field of sleep research, specifically the relationship between sleep and performance. He is best known for coining the term "power nap". [1] He holds a B.A. from Williams College and an M.A. and Ph.D. from Cornell University. Maas has also produced numerous film specials on sleep research for PBS, BBC, and ...

  5. Pulling an all-nighter can lead to feeling happy and giddy ...

    www.aol.com/pulling-nighter-lead-feeling-happy...

    Research suggests the effect of missing a night’s sleep can be like a potent antidepressant that keeps the mood going for several days. Pulling an all-nighter can lead to feeling happy and giddy ...

  6. Excessive daytime sleepiness - Wikipedia

    en.wikipedia.org/wiki/Excessive_daytime_sleepiness

    Another tool is the Multiple Sleep Latency Test (MSLT), which has been used since the 1970s. It is used to measure the time it takes from the start of a daytime nap period to the first signs of sleep, called sleep latency. Subjects undergo a series of five 20-minute sleeping opportunities with an absence of alerting factors at 2-hour intervals ...

  7. Is 4 hours of sleep enough? What sleeping too little does to ...

    www.aol.com/news/4-hours-sleep-enough-sleeping...

    Since the REM stages typically occur during the second half of sleep, sleeping too little may not allow the body enough time to complete all the REM sleep cycles, per the National Sleep Foundation.

  8. Sleep state misperception - Wikipedia

    en.wikipedia.org/wiki/Sleep_state_misperception

    Detecting sleep state misperception by objective means has been elusive. [1] [3] A 2011 study published in the journal Psychosomatic Medicine has shown that sleep misperception (i.e., underestimation of sleep duration) is prevalent among chronic insomniacs who sleep objectively more than 6 hours in the sleep lab.

  9. Constant routine protocol - Wikipedia

    en.wikipedia.org/wiki/Constant_routine_protocol

    In the method, subjects are kept in constant conditions for at least 24 hours. [1] These include constant light and temperature, as well as constant semi-recumbent posture. [ 1 ] In addition, subjects' food intake is evenly distributed throughout the protocol, and subjects are typically not allowed to sleep for the duration. [ 1 ]