Psyche – Nervous System (F00-F99; G00-G99).
- Bruxism (teeth grinding) – unconscious, usually nocturnal but also daytime, repetitive masticatory muscle activity characterized by grinding or clenching of the teeth or Tension or clenching of the jaws occurs; typical consequences are morning muscular pain, hypertrophy of the musculus masseter (masseter muscle), abrasions (loss of tooth structure), wedge-shaped defects of the teeth, root resorptions (degradation of root cement or cement and dentin in the area of one or more tooth roots) and possibly also temporomandibular joint disorders; can also lead to increased daytime sleepiness, like ZAS.
- Obstructive sleep apnea syndrome (OSA).
- Restless Legs Syndrome (RLS) – insensitivity mostly in the lower extremities and associated urge to move (motor restlessness); like ZAS, can lead to increased daytime sleepiness
Symptoms and abnormal clinical and laboratory findings not classified elsewhere (R00-R99)
- Primary snoring