Perform low-impact aerobic exercises, like walking and swimming, to improve your overall health and reduce pressure on your joints.
B I think as you can write and create a study book on the computer.
Answer:
It was actually "weaker immune system". Just took the test and got it right.
Explanation:
All the other answers are short term effects. If you don't sleep for a day, your movements would be slower, you would be more tired and wouldn't be able to concentrate. However, if you just miss one day of sleep, your immune system ain't gonna suffer.
