There are three components to happiness, according to Dr. Sue Varma: spark, stability and significance. Mental health tip of the day: Don't invest too much in your day-to-day moodsYour daily spark will come and go, Varma said. “Sometimes you have a spark, sometimes you feel very alive, and things are novel to you, and sometimes they’re not.” But you can still maintain a sense of happiness and optimism while acknowledging setbacks and future challenges, Varma said. How to get startedTo better handle the fluctuations of day-to-day moods, Varma recommends a few lifestyle tips:Prioritize your sleep : Varma said practicing good sleep hygiene begins with your morning routine.