HESLPA  
SHOW CARD C1  
How often do you have difficulty falling asleep?  
INTERVIEWER: COUNT AS YES IF CANNOT GET TO SLEEP FOR AT LEAST 30 MINUTES.  
1 Not during the last month  
2 Less than once a week  
3 Once or twice a week  
4 Three or more times a week  
HESLPB  
SHOW CARD C1  
How often do you wake up several times in the night?  
1 Not during the last month  
2 Less than once a week  
3 Once or twice a week  
4 Three or more times a week  
HESLPC  
SHOW CARD C2  
How often in the past month did you have trouble staying asleep (including waking far too early)?  
NatCen Social Research | ELSA W8 Questionnaire & Data documentation – INTERVIEWER QUESTIONNAIRE  
53