<unk>  is a symptom, so the treatment will depend on its cause. If the cause is the behavior and life choices of the patient (like working long hours, smoking, mental state), it may help to get plenty of rest and get rid of distractions. It’s also important to investigate what’s causing the problem, such as stress or anxiety, and take steps to reduce the feeling.
Somnolence
Hypersomnia
Snatiation
Orthosomnia
Insomnia
Sleepwalking
Sedation
Parasomnia