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The Answer: There isnât any hormonal reason some women feel totally drained during their period. Itâs totally normal to feel mood swings or crave sweets or salt, but nothing about menstruation itself should be making you feel tired. Instead, a few of your habits, which are a reaction to how crummy you feel when youâre menstruating, could be contributing to your low energy levels.
Your period may be heavy the first day or so each time and then decrease on later days. Periods usually last between three and five days. It is normal to have periods that are shorter or longer, up to seven days. It is also normal if your periods are not the same number of days each month, especially in the first years.our period may be heavy the first day or so each time and then decrease on later days. Periods usually last between three and five days. It is normal to have periods that are shorter or longer, up to seven days. It is also normal if your periods are not the same number of days each month, especially in the first years.