Table 2. Pittsburgh sleep quality index (PSQI) scores before and after NYT administration.

NYT: Ninjin'yoeito

Component scores range from 0 to 3, with the Global PSQI Score ranging from 0 to 21. Higher scores indicate poorer sleep quality. A Global PSQI Score > 5 indicates poor sleep quality.

Pittsburgh Sleep Quality Index Component	Before NYT	After NYT
Subjective Sleep Quality	2	1
Sleep Latency	3	2
Sleep Duration	2	1
Sleep Efficiency	3	2
Sleep Disturbances	2	1
Use of Sleep Medication	1	0
Daytime Dysfunction	2	1
Global PSQI Score	15	8