Taeyeon is known to curl up into a ball when she sleeps. She uploaded a photo of herself sleeping because she was fascinated by the way she sleeps. Props to Tiffany for taking this.

Jonghyun was reported by his members that he sleeps with his eyes open grinds his teeth every night. Supposedly he can sleep almost anywhere as well. Key took a photo of Jonghyun sleeping under a counter to prove this.

Kyuhun is known to snore really loudly. Members have said it sounds like a war-zone at times.

Taemin is known to take off his clothes while he's sleeping. He has said that he often wakes up completely naked.

Kikwang is actually the most gentle sleeper in B2ST. But that isn't the problem. The members have reported that the problem is when he wakes up. He wakes up angry which causes the members to avoid him until he calms down.

Hyorin has admitted that she can't sleep unless she is completely naked. 

Soyu also sleeps naked just like Hyorin. She has said that when its just the two of them, they like to walk around the house naked.

The members of Dal Shabet have admitted that Woohee is almost impossible to wake up. They say she is practically dead when she sleeps.

It seems Suzy is an angry sleep talker. According to her, there was an incident when her manager looked upset. When she asked why, he said she yelled at him and told him to get out. Best part is, Suzy says doesn't remember any this.

Seungkwan was voted to have the worst sleeping habits out of the group. He sleeps like a rock and wont budge to his alarm clock, causing other members to turn it off for him.

Eric is known to sleep in the most awkward, uncomfortable looking positions.

V is known to kick and scream in his sleep. His worst sleeping habit though is ordering his members. In one instance, he asked for a glass of water and fell back asleep before the members returned with water.