Imani has been taking sleeping pills to try and get more quality sleep. However, around the 3rd day, she noticed that she was still not feeling refreshed after sleep. Which of the following is true?
1) Sleeping pills are not effective for Imani
2) Imani needs to take a higher dosage of sleeping pills
3) Imani needs to try a different brand of sleeping pills
4) Imani should consult a doctor for further advice