Cluster headache and melatonin

A mutation in a case of early onset narcolepsy and a generalized absence of hypocretin peptides in human narcoleptic brains

Rapid eye movements during paradoxical sleep in patients with cerebrovascular disease

Distúrbios do sono em condições dolorosas crônicas

The amount of diurnal sleep, and complaints of fatigue and poor sleep, in night-working women: the effects of having children