Why Grief Makes You Feel So Tired (And What to Do About It)

Why Grief Zaps Your Energy

Grief is exhausting—and not just emotionally. It can leave you physically drained, mentally foggy, and wondering why getting through the day feels like a marathon.

This kind of deep fatigue is one of the most common (and confusing) parts of grief. You might be sleeping more than usual or finding it impossible to rest at all. You’re not lazy, and you’re not doing grief wrong. Your body is doing its best to carry the weight of what you have lost and are actively losing. 

Why Grief Zaps Your Energy

When we experience a significant loss, our nervous system kicks into overdrive. It sees the loss as a threat to safety and activates the stress response—flooding your body with adrenaline and cortisol to help you cope.

This was useful when humans needed to flee predators, but less helpful when you’re trying to work, parent, or just exist after the death of someone who was significant to you (or who was supposed to be signifiant to you). Prolonged stress without release leads to burnout, especially when there’s no clear “end point” for your grief.

Other Reasons You Might Feel So Tired:

• Emotional labor: Grieving takes up mental bandwidth. You’re processing memories, regrets, fears, and hopes—constantly.
• Sleep disruption: Grief often messes with sleep. You might wake often, have intense dreams, or lie awake replaying everything.
• Low motivation: Depression and grief can feel similiar to one another, making even small tasks feel monumental.
• Hyperarousal or shutdown: Your body may either be stuck in high alert or deep freeze—both are draining.

What can help? 

While you can’t rush grief, you can help your body feel safer and more supported. Here are a few ways to regulate your nervous system while grieving:

1. Rest Without Judgment

• Give yourself permission to rest even if you don’t feel “productive.”
• Napping, laying down, or doing less are legitimate ways to cope with your grief.

2. Gentle Movement

• If you feel stuck or heavy, a short walk, stretching, or light yoga can help release tension and shift energy.

3. Prioritize Nourishment

• Grief can suppress appetite or lead to emotional eating. Try to eat in ways that feel grounding and supportive.

4. Shorten Your To-Do List

• Now’s the time to practice radical gentleness. What can wait? What can be delegated? What can be skipped?

5. Reach for Co-Regulation

• Talking to someone who feels safe, or even sitting with a pet, can help settle your nervous system and bring a sense of ease.

Grief Is Heavy—Of Course You’re Tired

You’re doing something incredibly hard. You’re learning how to live in a world that has changed. Be kind to your body—it’s doing the best it can to carry you through.

If you’re looking for support, I offer compassionate grief therapy to help you move through this season of change while honoring your body’s needs.

Book a free consultation here.

Here are some questions you might want to ask in a therapy consultation.

Here’s how you can prepare for a consultation.