I trained myself when sleeping on a cot to not need a blanket because it was so hot but immediately after returning to a bed I started using a blanket again. I

I trained myself when sleeping on a cot to not need a blanket because it was so hot but immediately after returning to a bed I started using a blanket again. I can still sleep on a cot though with no blanket. I think you can train yourself with context to sleep with our without a blanket.