Вы бы чувствовали себя лучше, если

Вы бы чувствовали себя лучше, если бы не ложились спать так поздно (to keep late hours).

Results (English) 1:

Would you feel better if not went to bed so late (to keep late hours).

Results (English) 2:

Would you feel better if I had not gone to bed so late (to keep late hours).

Results (English) 3:

Would you feel better, if I did not put to sleep so late (to keep late hours).