This Sunday, at 2 a.m., clocks adjust to daylight saving time.

Our bodies, however, don't always like to spring ahead. According to a study conducted by the American Academy of Sleep Medicine, 55% of adults feel tired during the transition from fall and winter to spring.

For the sleep-deprived, daylight saving time adds stress to an already unbalanced internal clock.

Based on the AASM study, the adjustment can take five to seven days.

Changes may be most noticeable by individuals who already experience sleep problems.

"Studies consistently show that the spring transition to daylight saving...