In Shakespeare's "Macbeth," the concept of sleep is depicted as a vital source of comfort and relief from the troubles of life. The imagery of sleep "knitting up the raveled sleave of care" suggests that sleep has the power to mend our worries and restore our peace of mind. It symbolizes an essential respite from the daily struggles and chaos that life presents.

Furthermore, sleep is portrayed as the "death of each day's life," indicating that with each night, we are given a break from our laborious existence. It serves as a healing balm for troubled minds, accentuating its significance as nature's remedy and nourishment for the soul, culminating in the idea that sleep is crucial for maintaining balance and vitality in our lives.