When it’s the cold season, I keep my thermostat for my room at the same temperature all the time. It’s usually warm and comfy when I go to sleep (Though if I wake up in the middle of the night it’s always too warm). If it’s at the same temperature while I feel warm when going to bed, why would it be so cold in the morning?
In: Biology
Because your core body temperature drops a little bit when you’re asleep, so you’ll feel cold in the morning until your temperature comes back up to normal. This is a normal part of the wind down as your body shifts to its regenerative metabolic processes during sleep.
Is your heating on 24/7? Most people have timers on their heating system that turn it off overnight and then back on again in the morning. The house then gets cold overnight.
Core body temperature lowers by itself at sleeping time as part of your circadian rhythm. It raises itself again as you wake up. So your body temperature at night most likely just matches better with your room temperature and you don’t feel the difference.
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