From: Sleep hygiene and sleep quality in Iranian adolescents during the COVID-19 pandemic
 | Variable | Frequency | Percent | Explain |
---|---|---|---|---|
Sleep quality | 0–5 | 155 | 25.4 | Good sleeper |
5–21 | 455 | 74.6 | Poor sleeper | |
Sleep hygiene | < 3.8 | 160 | 26.2 | Poor sleep hygiene |
3.8–4.9 | 325 | 53.3 | Mediocre sleep hygiene | |
> 4.9 | 125 | 20.5 | Good sleep hygiene |