My 1-year-old baby always likes to lie on cold tiles even when the weather is cold, this started like 2 weeks ago and he is not acting like he uses to
Dr Aina Johnson

Paediatrician

Seriously, it is not a problem.....hope there is nothing biting him on the mattress of the bed....Just Check and if there is nothing, it may just be one of "those things"...habits that will pass with time perhaps the floor is cooler too so make sure the room is cool enough as well and when he is deep in sleep, transfer him to bed!"