What changes during the night-time?

What changes during the night-time? - Woods Covered With Snow

I loaded up Pixel Dungeon at 12:31 AM today, and was surprised by the orange text "Be cautious, since the dungeon is even more dangerous at night!" That got me wondering. What all changes when the dungeon enters its "night-time" mode?

NOTE: I do not know if this applies to the original game, as I am playing an upgraded version called Shattered Pixel Dungeon.






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What happens during night time?

This stage involves the light sleep just before deep sleep. Your body temperature decreases, your eye movements stop, and your heart rate and muscles continue to relax. Your brain waves briefly spike then slow down. During a night of sleep, you spend the most time in stage 2.

How does sleep change during the night?

Sleep patterns tend to change as you age. Most people find that aging causes them to have a harder time falling asleep. They wake up more often during the night and earlier in the morning. Total sleep time stays the same or is slightly decreased (6.5 to 7 hours per night).

What hormone is released while sleeping?

Melatonin, released by the pineal gland , controls your sleep patterns. Levels increase at night time, making you feel sleepy. While you're sleeping, your pituitary gland releases growth hormone, which helps your body to grow and repair itself.

What are the 5 stages of sleep?

Sleep occurs in five stages: wake, N1, N2, N3, and REM. Stages N1 to N3 are considered non-rapid eye movement (NREM) sleep, with each stage a progressively deeper sleep. Approximately 75% of sleep is spent in the NREM stages, with the majority spent in the N2 stage.



One Direction - Night Changes




Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.

Images: Mikhail Nilov, David McBee, Karolina Grabowska, Karolina Grabowska