Scan to get LuluPoint your iPhone camera here

Why does my period make me so emotional?

2 min read 路 Updated October 26, 2026

The short answer

You feel emotional on your period because estrogen and progesterone are at their lowest on the first days of bleeding, right after the drop that drives PMS. Cramps, tiredness, poor sleep and low iron add to it. For most people, emotions run highest just before and on day 1 or 2, then settle by day 3 or 4 as estrogen starts rising again.

Why the first days can feel so big

  • Hormones at rock bottom. Bleeding starts because progesterone and estrogen have fallen. The first day or two are their lowest point.
  • PMS hangover. If you had PMS, it doesn't switch off the moment bleeding starts. It usually fades over the first few days.
  • Pain. Cramps, headaches and back ache wear down patience and make everything feel harder.
  • Tiredness. Sleep is often broken in the days around your period, and tired brains feel more.
  • Low iron. Heavier periods can lower iron, adding to fatigue and low mood.

How emotions usually change through your period

DayWhat many people feel
Day beforePeak irritability, tears or anxiety
Day 1 to 2Tired, sore, emotional, but often a sense of relief
Day 3 to 4Calmer, energy returning
Day 5 onwardMood lifting as estrogen rises

Everyone's version is different. Some people feel at their worst before bleeding and great on day 1. Others feel the dip mostly during their period. Learn more in mood during your period and mood by cycle phase.

What helps on emotional period days

  • Treat pain early with heat and an anti-inflammatory, so it doesn't drag your mood down
  • Lower the bar: rest counts as productive on day 1
  • Eat regularly, with something iron-rich
  • Short walks or gentle stretching
  • Say what you need: "I'm sore and tired today, can we keep it low-key?"
It's not "just" your period

Feelings you have on your period are still real feelings. The hormones may turn the volume up, but if something keeps upsetting you after your period, it's worth paying attention to.

See your pattern

Logging a mood each day for a couple of cycles shows whether your hardest days are before your period, during it, or both. That makes planning easier and gives you something concrete to tell a doctor if it ever feels like too much.

See a doctor if emotional changes around your period disrupt your work, relationships or sleep, or if you feel hopeless. If you ever have thoughts of harming yourself, call your local emergency number now, or in the US call or text 988. In the UK, Samaritans are on 116 123.

Frequently asked questions

Is it normal to cry on your period?

Yes, especially on the first day or two. If it's every day of your period and intense, mention it to a doctor.

Does your period make you more sensitive?

Many people feel more sensitive just before and at the start of their period. See sensitive before your period.

When will my mood get better?

For most people, by day 3 or 4 of bleeding. See mood after your period.

Why am I more emotional before my period than during it?

The steepest hormone drop happens before bleeding, which is when PMS peaks. Once your period starts, hormones begin to recover.

Sources

  1. NHS: PMS (premenstrual syndrome)
  2. Office on Women's Health: Premenstrual syndrome (PMS)
  3. NHS: Iron deficiency anaemia
  4. 988 Suicide & Crisis Lifeline

This page is for information only and isn鈥檛 medical advice. If something worries you, please talk to a doctor.

Keep reading