12 Reasons You Might Be Feeling Cold All the Time

You skip out on sleep

Not getting a good amount of sleep is another reason you might always be wondering, “Why am I always cold?” Although research on sleep and feeling cold is mixed, chronic fatigue can slow down your metabolism, leaving you feeling chilly during the day, Moss says. Plus, your body temperature fluctuates at night, and your body gets used to that cycle, Dr. Rohr adds. If you’re staying up later than usual, your core body temperature might drop during the same time it would if you were asleep.