"Hello sir/madam, i m guitar player & i wants to do 20 hours guitar practice each day. is there anything wrong if i do 20 hours a day practice and sleep only for 4 hourrS. neurologist often suggest 6 hours a day sleep is very essential fo..."
![]() | ||||
Remove
Are you sure you want to delete your ?
You will no longer be able to add new data to this tracker. | ||||