Stop trying to maintain constant productivity: Your ability to cope with stress changes with the seasons and your own biological clocks

Stress resilience is a dynamic balance rather than a fixed trait. Maskot via Getty Images

Do you feel like the same person in February as in June? For most people, the answer is a resounding no.

During winter, your energy tends to dip, your immune system takes a hit and you may feel less social. Research finds that people are less inclined to stick to a workout routine in winter.