Guideline-oriented and based on the latest standards in sleep medicine: diagnostic and therapeutic aids for all forms of sleep disorders. Practical and clearly presented by a renowned interdisciplinary author team in sleep medicine. The most important information for quick reference in practice. Disturbed sleep and daytime fatigue are common complaints in medical practice. If left untreated, they carry an increased risk of accidents and cardiovascular diseases. The targeted recognition of sleep disorders such as insomnia, sleep apnea syndrome, parasomnias, or hypersomnias has become part of everyday medical practice. Sleep medicine offers a range of diagnostic procedures beyond the sleep laboratory and disorder-specific therapeutic options. Good sleep is an integral component of mental and physical health, with informational materials for patients, questionnaires, and case studies.