Hi, welcome to the forum, you may be probably having Circadian rhythm disorders. Due to long term
sleep deprivation in night time or delay in
sleep will lead to excessive day time sleep or sleepiness, tiredness, loss of concentration etc.
You can get the sound proof earplugs which is very effective. These ear plugs, you can order from internet. These are usually sold by name such as 100% soundproof ear plugs.
Less than 5 hrs sleep will effect your health.