Question

An injury to which marked region would hamper the sleep-wake cycle?

Answer 1

Hypothalimus... Starting at the top as 1, then going counterclockwise being 2, it would be that next one. Number 2. The two in back are 3 and 4. So, #2 is hypthalimus

Step-by-step explanation:

Answer 2

An injury to Head/brain can hamper sleep -wake cycle. other than that injuries to other regions can also hamper the sleep-wake cycle, because the pain could be unbearable resulting in loss of sleep. So it is also dependent on kind and severity of the injury.