Hi thank you for writing. We need to discuss more symptoms before going forward. Depression has its own way to set in. Often at times it does not have triggers. You need to try and notice other depression symptoms as well. Sleeping for hours straight resembles lethargy and inertia which is the major symptom of depression
Next Steps
Having counselling sessions can help evaluate sessions better and in case of depression.l can help you with coping strategies.
Health Tips
Have a sleep journal. Make a note of sleeping hours for a minimum of 30 days. Make small goals for sleeping hours. Set up goals to wake up. See how you progress. Have a regular sleep hours and maintain that.