Why do I feel more tired after going back to sleep?

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SUMMARY

The discussion centers on the phenomenon of feeling more tired after going back to sleep, particularly after waking up naturally versus waking up due to an alarm. Participants agree that this is related to sleep cycles, specifically the transition between sleep stages. Waking up at the end of a sleep cycle leads to feeling more refreshed, while waking during deep sleep results in fatigue. Resources such as HelpGuide provide further insights into sleep patterns.

PREREQUISITES
  • Understanding of sleep cycles and stages
  • Familiarity with sleep science terminology
  • Knowledge of how alarm clocks affect sleep
  • Awareness of resources on sleep health, such as HelpGuide
NEXT STEPS
  • Research the stages of sleep and their impact on waking
  • Learn about sleep cycle tracking apps and tools
  • Explore techniques for optimizing wake-up times
  • Investigate the effects of sleep deprivation on health
USEFUL FOR

Individuals experiencing fatigue upon waking, sleep researchers, health professionals, and anyone interested in improving their sleep quality.

iggybaseball
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I've noticed that I often wake about an hour or two before I should get up. When I awake, I often feel pretty energetic but I go back to sleep because of course, I have a couple more hours awaiting me. Then when I wake up the second time, I can feel "dead" or really tired. Does anyone know why this occurs? Does this happen to anyone else? And often when I wake up early, I haven't gotten enough sleep (for example, 5 hours) so I don't think it's an issue of oversleeping. Well thanks.
 
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yeah, I know this effect very well :-p
it happens to everyone, the explanation is: sleeping cycles.
when you wake-up naturally its in the end of a cycle, but when the alarm-clock is waking you up it could be in the stage of deep sleep, and then you get up really tired.
http://www.helpguide.org/life/sleeping.htm
 
You could program a stun gun to wake you up the second time, then you wouldn't have to worry about being dead tired. :-p
 

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