3 doctors weighed in:

Is it normal to feel sad and like you're going to cry when you're tired? I don't struggle with depression, but when I'm quite tired it feels like I could cry at a moments notice.

3 doctors weighed in
Dr. Linda Kondilis
Clinical Psychology
2 doctors agree

In brief: Sleepy Tears

Yes, when we are sleepy we tend to be more emotionally vulnerable, less regulated.
This article suggests that "our emotions run wild" http://science.howstuffworks.com/life/sleep-happiness3.htm

In brief: Sleepy Tears

Yes, when we are sleepy we tend to be more emotionally vulnerable, less regulated.
This article suggests that "our emotions run wild" http://science.howstuffworks.com/life/sleep-happiness3.htm
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