Scientific recommendations vary based on the objective or problem. For example, if a 9th-grader has a sleeping disorder, more sleep might be in order. That being said every 9th-grader will need an absolute minimum of 7 hours of sleep per night, while 8 to 10 hours of sleep is commonly recommended for that age group considering their developmental stage.
spam fails_task lang_mismatch pii not_appropriate hate_speech sexual_content quality toxicity humor helpfulness creativity violence