Mood swings can be normal response to stress or hormonal shifts. Extreme mood swings may indicate mental health disorder. Rapid mood changes can interfere with daily life and relationships
Splitting is the inability to hold opposing thoughts or beliefs. People with BPD view situations in all-or-nothing terms. Splitting allows discarding "bad" and embracing "good" aspects
Sleep apnea, narcolepsy, and chronic fatigue syndrome can cause morning sleepiness. Sleep paralysis may occur during waking or falling asleep
Mood swings are rapid and intense changes in emotions. Can occur without obvious cause or be triggered by specific events. Common causes include illness, developmental stages, and medications. Hormonal changes and allergies can influence mood
Prodrome refers to early signs or symptoms indicating disease onset before diagnosis. Term comes from Greek "prodromos" meaning "running before". Can be non-specific or specific to certain diseases like migraine
Mental disorders significantly impair personal functioning or cause distress. DSM contains over 450 distinct definitions of mental disorders. ICD serves as international standard for categorizing medical conditions. Diagnostic criteria are periodically updated to reflect current understanding