Are you working ? If you are employed how you can afford to spend 5 too 6 hours in the wash room.
Toilet or washroom is a closed space and if you spend too much time there you are likely to contact some lung infection due to excessive humidity.
Since you seem to be educated, please consider the negative effects and try to reduce the time spent there.
Next Steps
You can keep am alarm to remind yourself after sufficient time.
Health Tips
If you are having constipation or difficulty in passing stools please consult a doctor