Heart rate variability during sleep in patients with vasovagal syncope

Association of the length polymorphism in the human per3 gene with the delayed sleep-phase syndrome: Does latitude have an influence upon it? 

Opposite effects of sleep rebound on orexin OX1R and OX2R receptor expression in rat brain

What makes lorazepam different from other benzodiazepines? 

Breathing patterns of athletes with cerebral palsy