Table 1.

The questions asked were related to 3 time-defined periods: (1) within 3 months before pregnancy; (2) during pregnancy; and (3) within 3 months after delivery; and the corresponding events/parasomnias.

No.	Specific Event or Behavior over 3 Time-Defined Periods	Probable Event/Parasomnia
1.	Have you ever talked in your sleep?	Sleep talking
2.	Have you ever screamed in your sleep?	Screaming
3.	Have you ever woken up disoriented or confused (with semi-purposeful movements), unresponsive to external cues?	Confusional arousal
4.	Have you ever been sleepwalking (tried to leave or left your bed asleep)?	Sleepwalking
5.	Have you ever woken up in a state of terror (with intense fear, heart pounding, sweaty)?	Sleep terror
6.	Have you ever gone from bed to eat or drink without knowing it?	Sleep-related eating disorder (SRED)
7.	Have you ever been sexually active in your sleep without knowing it?	Sexsomnia
8.	Have you ever experienced a transient state of inability to move when falling asleep or waking up?	Sleep paralysis (SP)
9.	Have you ever experienced a delusion or feeling of the presence of people, animals, things, or unpleasant events when falling asleep or waking up?	Hypnagogic hallucinations (HH)
10.	Have you ever had very vivid dreams?	Vivid dreams
11.	Have you ever had a nightmare (a scary dream that wakes you up and you clearly remember its vivid plot)?	Nightmares
12.	Did your dreams sometimes have aggressive content?	Aggressive dreams
13.	Have you ever made movements in your sleep that correspond to what you are just dreaming (i.e., waving, saluting, swatting away mosquitoes, etc.)?	Dream-related behavior
14.	Have you ever experienced a sudden, excruciating, or violent sound or headache in your sleep that woke you up?	Head explosion
15.	Have you ever (almost) hurt yourself or your bed partner in your sleep?	Violence in sleep