Quality of life Aged C-reactive protein Parkinson's disease Suicide Suicidal ideation ADHD Insomnia Middle Aged Suicide attempts France Male Pediatrics DNA methylation Cognitive aging Prospective cohort Decision-making Mental health Cohort study Anorexia nervosa Hypocretin/orexin Eating disorders Cohort Epigenetics Attention Alzheimer disease Comorbidity Hypersomnia Ageing Adolescent Female Metabolic syndrome Cohort studies Prevention Depressive symptoms Asthma Excessive daytime sleepiness Magnetic resonance imaging Humans Depression Insight Bipolar disorders Sleep disorders Dementia Biomarker Hypersomnolence Stress Amyloid REM sleep behavior disorder Cognitive decline Memory Sleepiness Assessment Cataplexy Epidemiology Meta-analysis Bulimia nervosa Sleep Aging Elderly Autoimmunity Longitudinal study Adult Narcolepsy Major depressive disorder Trauma Psychiatry Young Adult Obesity Apathy Genetics Child abuse Alzheimer's disease Incidence Treatment Anxiety Diagnosis Neuroimaging Bipolar disorder Cognition Biomarkers Cognitive impairment Orexin Idiopathic hypersomnia Alzheimer’s disease Antipsychotic Antidepressants Psychotherapy Schizophrenia Cortisol Gene-environment interaction Inflammation Mortality Neuropsychology Older adults Risk factors Prospective study Childhood trauma Suicidal behavior Suicide attempt