Sleep Disorders Symptom Checklist-25

The SDS-CL-25 is a standardized self-report questionnaire used to assess the severity and impact of sleep disturbances over time. It evaluates key aspects such as difficulty falling or staying asleep, sleep-related distress, and the effect of poor sleep on daytime functioning. This tool supports early identification of clinically significant sleep problems and can assist healthcare professionals in monitoring sleep-related symptoms and outcomes.

Complete the 25-item Sleep Disorders Symptom Checklist (SDS-CL-25) below. Each item asks how frequently you experience the described sleep behavior.

1. My work or other activities prevent me from getting at least 7 hours of sleep

2. My bedtime or waketime varies by more than 3 hours

3. It takes me 30 minutes or more to fall asleep

4. I am awake for 30 minutes or more during the night

5. I wake up 30 or more minutes before I have to and can't fall back asleep

6. I am tired, fatigued, or sleepy during the day

7. I sleep better if I go to bed before 9 pm and wake up before 4:30 am

8. I sleep better if I go to bed late (after 1 am) and wake up late (after 9 am)

9. I am prone to fall asleep at inappropriate times or places

10. I snore

11. I wake up with a dry mouth in the morning (cotton mouth)

12. My snoring is so loud that my bed partner complains

13. I have been told that I stop breathing in my sleep

14. I wake up choking or gasping for air

15. I feel uncomfortable sensations in my legs, especially when sitting or lying down, that are relieved by moving them

16. I have an urge to move my legs that is worse in the evenings and nights

17. I wake up frequently during the night for no reason

18. When angered, humored, frightened, I experience sudden muscle weakness

19. When falling asleep or waking up, I experience scary dream-like images

20. When I am first awakening, I feel like I can't move

21. I have nightmares

22. For no reason, I awaken suddenly, startled, and feeling afraid

23. I have been told that I walk, talk, eat, act strangely or violently when I sleep

24. I grind my teeth or clench my jaw during your sleep

25. My sleep difficulties interfere with my daily activities

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Medical disclaimer: This tool is for informational purposes only and does not replace professional medical advice.

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