>>90723561. not possible to sleep throughout the entirety of winter
2a. lying on your bed without eating once/barely eating will not only considerably weaken you (and make you thinner, obviously) but it will also slowly kill your brain
2b. lying on your bed but still eating as you normally do will fatten you up
3. you will have back problems, many articulation problems, blood pressure problems and won't be as agile as before as well as many other negative effects; it'll take months if not years to get back in the shape you were before "hibernating"
>>9072384you'll get fatter in areas that accumulate fat easier (face/ass) and more unfit but it won't be that insalubrious as long as you stay active