Sedation can reduce participation even when psychotic symptoms improve. Someone may struggle to wake for appointments, maintain attention at work or take part in family life. Slower reactions can affect safety, while visible inactivity may…Continue Reading
Sleepiness is the tendency to fall asleep, while fatigue is a sense of exhaustion or reduced energy that may occur without drowsiness. The experiences often overlap but suggest different assessment questions. A person can feel…Continue Reading
Histamine contributes to wakefulness through H1 receptors in the brain. Blocking these receptors can produce sleepiness, which helps explain the sedating properties of several antipsychotics. The same broad receptor system is also relevant to appetite…Continue Reading
Daytime sleepiness is a tendency to become drowsy or fall asleep during waking hours. It can interfere with reading, conversation, study and work. Antipsychotic effects are one possible cause, but insufficient sleep, sleep apnoea, irregular…Continue Reading
Sedation can vary with dose, blood concentration and the time since a medicine was taken. Formulation and half-life also influence the pattern. A medication taken in the evening may still affect alertness the next day…Continue Reading