Symptom Checker
Step 4: Read and complete the decision guide to learn more about your symptoms.
Daytime Drowsiness
Depression can cause drowsiness. It would be unusual for drowsiness to be the only symptom of depression.
Have you also noted one or more of the following?
feeling sad or low
loss of enjoyment in things that you previously liked to do
blaming yourself for circumstances and events in your life
difficulty sleeping
staying in bed for most of the day
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