Originally posted by LordyMatsuo:

Originally posted by pipo.p:

It's not the bed, it's you! Try to approach the bed from another direction. You have to benefit from the fire effect, and until then, a bed is of no use, beside defining your respawn point.

Ah so i need the fire effect icon top right of my screen before trying to sleep?

This is very likely the case. It probably just happens that the angle you went to bed from night 1 was just close enough to receive the buff