Well, you know, spending too much time indoors with all that artificial lighting can do that to you. Your body loses track of whether it's day or night.
People also may want to double up if they plan to be around others for long periods of time indoors or must be in an enclosed area, such as on an airplane.
When it was fine the host and his guests went riding, visited places of interest, and walked in the gardens, and when it was wet they played games indoors.
All over the country Americans like Hung are choosing to keep the mask on even after the CDC announced it's OK to lose it indoors if you're fully vaccinated against COVID-19.
The outdoor luau at the Polynesian Resort was temporarily moved indoors, and the hay bale rides and campfire activities at Fort Wilderness were completely canceled.
For the past six weeks during the country's lockdown, adults have been allowed to go to the store or the pharmacy but kids have only seen the light of day from indoors.
But with so many of us staring down the next few months indoors, it's important to develop a plan now to remain physically active during the long winter ahead.