Hhs means human health services
Answer:he should sleep 8 hours minimum and sleeping with the lights on it just makes you it hurts you
Explanation: really it hurts you
We breathe in oxygen and some of this carbon dioxide. When we exhale, we breathe out less oxygen but more carbon dioxide than we inhale. The carbon we breathe out as carbon dioxide comes from The carbon in the food we eat.
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We breath in ox
Explanation:
Elevated workplace or environmental noise can cause hearing impairment, tinnitus, hypertension, ischemic heart disease, annoyance, and sleep disturbance. ... Noise exposure has been known to induce noise-induced hearing loss, tinnitus, hypertension, vasoconstriction, and other cardiovascular adverse effects.