Why can't I sleep?

1. Noisy environment

2. Situational Context

2.1. During a flight

2.2. Relationship problems

2.3. Shifting sleep cycles

2.4. Wake up often, can't go back to sleep

2.5. Work-related stress

2.6. Light sleeper

3. My mind is racing

3.1. Work

3.2. Fear

3.3. Guilt

3.4. Anger

3.5. Low self-esteem

3.6. Intense Emotions

4. Just drank

4.1. alcohol

4.2. COffee

4.3. drugs / medication

5. Too noisy

5.1. snoring roomate

5.2. Neighbors, kids, pets

5.3. Construction nearby

6. Room Temperature

6.1. Too hot

6.2. Too cold

7. Lighting

7.1. Too bright

7.2. Can't sleep in the dark

8. Too full

9. Unfamiliar place

10. Uncomfortable bed, sheets or clothes

11. Discomfort

11.1. Allergies

11.2. Can't sleep in my usual sleeping position

11.3. Pregnant

12. Medical conditions

12.1. Sleep apnea

12.2. Snoring

12.3. clinical depression

12.4. others

13. Just worked out