In general the fish can cope with this small daily cycle.

This daily cycle is interrupted for tests and additional topics.

Plants operate on a daily cycle, charging at night and discharging during the day.

Their biological clocks, which are set by daily cycles of light days and dark nights, never adjust to night work.

Our bodies might adjust to the daily and annual cycles.

The usual daily cycles of hormonal release change in prolonged bed rest.

This needs to be an ongoing part of this section - on a weekly if not daily cycle.

The Earth's rotation relative to this shape causes the daily tidal cycle.

However, the region enjoys the daily cycle of the seasons.

The daily cycle of sleeping and waking is called the circadian rhythm.