Kavyesh Vivek

1 INTRODUCTION Insomnia disorder is defined as persistent dissatisfaction with sleep quality or quantity for a minimum of three nights per week, despite adequate opportunity for sleep, lasting more than three months, causing significant distress or functional impairment (APA, 2013). Additionally, the impairment is not better explained by another sleep-wake disorder, coexisting health condition, or drug effects (Sutton, 2021).

Examination/investigations A full set of vital signs observations with the patient’s height and weight should be taken (the latter ideally without shoes or heavy clothing), plotting them on age-adjusted growth charts or per cent median BMI for age calculated ((BMI/median BMI for age and gender)×100); <85% mBMI is defined as malnutrition and <70% as severe emaciation.8 Remember that being weighed is anxiety provoking for someone with an eating disorder; therefore, it needs to be performed...