1) Fear of going to bed 
fear of staying in bed
Clinophobia: An abnormal and persistent fear of going to bed. Sufferers from clinophobia experience anxiety even though they realize that going to bed normally should not threaten their well-being. However, because they worry about having nightmares or wetting the bed, they often remain awake and develop insomnia. Insomnia then can become a real th...
Clinophobia is the fear of bed.
clinophobia An abnormal fear or strong dislike of going to bed or of beds in general. Such phobics may have chronic insomnia, night terrors, sleepwalking experiences, or fear of bedwetting. There are even those who associate beds with the fear that they may fall asleep and never wake up.