Let patients have 40 winks--or at least 25.
Hartshorne
M
M
D005221:Fatigue / Q000209:etiology / Q000451:nursing / Q000517:prevention & control*; D006272:Health Facility Environment / Q000592:standards; D006801:Humans; D009622:Noise / Q000009:adverse effects; D010362:Patients' Rooms; D014789:Visitors to Patients / Q000523:psychology*