Step 4: Read and complete the decision guide to learn more about your symptoms.
So far you have indicated that you are drowsy during the day and that you do not have difficulty sleeping. Your answers indicate that you may or may not have an underactive thyroid (hypothyroidism).
Many prescription and non-prescription drugs can have drowsiness as a side effect.
Are you taking medications, herbs, or supplements that you think might be making you drowsy?