if someone spends two to three months without exposure to sunlight:

1.Lack of sunshine for an extended period of time can cause a vitamin D deficiency, which is necessary for strong bones and overall health.

2.Reduced sunshine exposure can alter one's mood and cause feelings of melancholy, irritation, or even depression.

3.Sleep disruptions: Without sunlight to support the body's circadian clock, sleep cycles may be disturbed, sometimes resulting in insomnia or erratic sleeping habits.

4.immunological system weakness: Vitamin D, which is produced in the skin in reaction to sunshine, is important for immunological performance. A person's immune system may get weakened by lack of sunlight, increasing their susceptibility to sickness.

5.Skin Health: While exposure to too much sunlight can be damaging to the skin, full abstinence can help with psoriasis or eczema.

It's critical to strike a balance between protecting your skin from too much UV radiation and getting enough sun exposure for health.