Research indicates that using electronic devices before bed may make it difficult for people to fall asleep. the light appears to interfere with the bodys ability to create this hormones, which is responsible for sleep and wake cycles.

Ithink it is the last one sorry if i’m wrong

1. b vitamins2. vitamin k3. vitamin d4. examples are walnuts, seeds, tofu5.  total fat, saturated fat, trans fat, cholesterol, sodium, total carbohydrate, dietary fiber, sugars, protein, vitamin a, vitamin c, calcium, and iron.6. 11257. they have to contain reliable information8. less than 10%  9. i didnt read the course so im not surehope that : p