The reasons for sleep are poorly understood t or f

True

Explanation:

Although we understand the basic concepts and reasons for sleep, we do not actually understand the details in such a clear way. We know that there are two main reasons for humans to require sleep. The first one is that sleep helps us repair and restore our organ systems. The second one is that sleep allows us to retain the memories that we have recently acquired. However, the precise mechanisms that underlie these processes are still poorly understood.

both are monotheistic however, christians believe jesus is the savior and jews believe jesus is just another prophet.

explanation:

the following men who did not in the unification of italy were.

a) giuseppe mazzini

c) alexander ll

the other two men were camilo cavour and giuseppe garibaldi they the unification of italy by yielding territories in the italian unification. in 1861 italy was declared a united-nation state under the sardinian king victor immanuel ll.