เลือกคำตอบเดียว a. Try to go to bed the same time every night. b. Avoid eating greasy food, orange juice and milk. c. Avoid drinking coffee and soda 3 hours before bedtime.
เลือกคำตอบเดียว a. Try to go to bed the same time every night. b. Avoid eating greasy food, orange juice and milk. c. Avoid drinking coffee and soda 3 hours before bedtime.