Rhiannon sleepwalks and sometimes sleep talks, which both occur during of sleep. stage 4 stage 3 stage 1 stage 2

stage 3.

Explanation:

Sleepwalking and talking while sleeping are disorders that occur during sleep. Because of these disturbances the individual when sleeping can get out of bed, walk, talk and even perform some types of routine activities.

These disorders usually manifest in stages 3 (sometimes may manifest in stage 4) of non-Rem sleep. NRem sleep corresponds to 75% of total sleep and is divided into four stages that begins with drowsiness and ends after approximately 40 minutes of sleep, at which stage the individual sleeps deeply.

uhh idk for sure but i think it makes it difficult to pump the oil through the oil rigs

the correct answer is a