Why Grief Makes You Tired

Grief can be exhausting.

You may wake up after what felt like a full night's sleep and still feel as though you could go straight back to bed. Simple tasks can require more effort than usual. Concentrating at work may feel harder. You might cancel plans because you simply don't have the energy to be around people.

And sometimes there is a strange guilt attached to all of this.

You may think, “Why am I so tired? I'm not doing anything.”

But grieving is not doing nothing.

Grief can affect your emotions, thoughts, sleep, body, relationships, and sense of how the future is supposed to look. When all of those things are demanding your attention at once, it makes sense that you may feel depleted.

Grief Can Affect Your Sleep

One of the clearest connections between grief and fatigue is sleep.

Research examining sleep after bereavement has found that sleep disturbances are common, and greater grief intensity is associated with more difficulty sleeping. Problems can include trouble falling asleep, waking during the night, nightmares, or simply feeling that sleep is not restorative (Lancel et al., 2020).

And grief does not always make people sleepy in a straightforward way.

You may be exhausted but unable to settle your thoughts at bedtime. Memories may replay. You may find yourself thinking about what happened, what you wish had been different, or what tomorrow will look like without the person you lost.

Other people sleep more than usual.

Either way, changes in sleep can leave you feeling drained during the day.

Your Mind May Be Working Harder Than You Realize

Grief can take up an enormous amount of mental space.

You may be remembering conversations, replaying the final days or weeks, thinking about things you wish you had said, trying to understand what happened, or adjusting to the reality that someone who was part of your everyday life is no longer there.

There may also be practical decisions to make.

Perhaps you are managing a household alone for the first time. Maybe you have taken on responsibilities your loved one used to handle. You may be dealing with paperwork, finances, family changes, work responsibilities, or decisions about what happens next.

Even when you are sitting quietly, your mind may be doing a great deal of work.

That can make ordinary tasks feel surprisingly difficult.

Grief Can Be Physically Draining Too

Grief is not only an emotional experience.

People who are grieving can experience a range of physical and somatic symptoms, and research suggests that more severe and persistent grief can be associated with poorer physical health and greater physical symptom burden (Cunningham et al., 2025).

You might notice headaches, muscle tension, changes in appetite, stomach discomfort, a heavy feeling in your body, or simply a sense that you have very little energy.

Not everyone experiences these symptoms, and fatigue after a loss can have many causes. Stress, disrupted sleep, reduced appetite, changes in physical activity, depression, anxiety, medications, and other health conditions can all contribute.

That is one reason it is important not to assume that every physical symptom is simply “part of grief.”

If fatigue is severe, persistent, or concerning, it is worth speaking with your doctor as well as considering emotional support.

You May Be Doing Less, But It Can Still Feel Like More

After a significant loss, everyday routines often change.

You may stop exercising because you don't have the energy. Meals may become irregular. You might spend more time alone or find yourself withdrawing from activities that once helped you feel like yourself.

Research suggests that physical activity often decreases following bereavement, with fatigue, lack of motivation, guilt, and lack of time among the barriers people report. At the same time, physical activity may support psychological well-being and provide opportunities for connection and distraction from grief (Williams et al., 2021).

This does not mean you need to force yourself into an exercise program while you are grieving.

Sometimes the goal is much smaller.

A short walk around the block. Stretching in the morning. Getting outside for ten minutes. Gardening. Walking the dog.

Gentle movement can be enough.

Being Around People Can Be Exhausting

Grief can change your social world too.

People may not know what to say. Some may avoid mentioning the person who died because they are afraid of upsetting you. Others may expect you to be “doing better” because some time has passed.

You may find yourself explaining how you are doing over and over again.

You might also spend a lot of energy appearing okay when you are not.

Going to work, answering questions, attending family gatherings, looking after children, or simply making conversation can require effort when your emotional reserves are already low.

It is understandable if your social battery feels much smaller than it used to.

Grief Can Shake Your Sense of Meaning

For some people, grief also raises much bigger questions.

Why did this happen?

What is life supposed to look like now?

What do I believe anymore?

Who am I without this person?

These questions can arise whether or not you consider yourself religious or spiritual.

The loss of someone important can change your understanding of your own identity and your assumptions about the future. Research on existential interventions suggests that questions about meaning, purpose, identity, and mortality can be particularly relevant in the experience of serious illness and loss (Bauereiß et al., 2018).

Trying to make sense of a changed life takes energy too.

What Can Help When Grief Leaves You Exhausted?

There is no single way to care for yourself while grieving. What helps one person may not feel right for another.

For many people, the most useful place to start is by lowering the expectations they have for themselves.

Rest when you need to. You don't need to earn rest by accomplishing everything on your list first.

Keep meals simple. When cooking feels impossible, focus on regular nourishment rather than creating perfect meals.

Move gently. A short walk or some stretching may be more realistic than a demanding workout. Research suggests physical activity may have benefits following bereavement, although the evidence is still developing (Williams et al., 2021).

Protect your energy. You may need to say no to some invitations, shorten visits, or spend more time with people who understand that you are grieving.

Give yourself somewhere to put the thoughts. Talking with someone you trust, writing in a journal, praying or engaging in another spiritual practice can provide a way to process what is happening.

Pay attention to persistent symptoms. If exhaustion is extreme, continues for a long time, or is accompanied by significant changes in sleep, appetite, mood, or functioning, consider speaking with your physician or a mental health professional. Grief and other physical or psychological concerns can occur together, and you deserve support for all of them.

When Does Grief-Related Fatigue Become a Concern?

Being tired after a loss is not, by itself, a sign that something is wrong.

Grief can be physically and emotionally demanding, particularly in the early period after a death.

But there is an important difference between being exhausted because you are grieving and being persistently unable to function because of your symptoms.

If you are struggling to work, care for yourself, maintain relationships, or manage everyday responsibilities, it may be time to reach out for additional support.

This is particularly important if your grief remains intensely distressing or is accompanied by persistent depression, hopelessness, severe anxiety, or thoughts of suicide.

You don't have to wait until you reach a crisis point to ask for help.

Grief Doesn't Mean You Have to Be Productive

Perhaps one of the hardest lessons of grief is realizing that your capacity may temporarily be different.

You may not be able to do everything you used to do.

That doesn't mean you are lazy.

It doesn't mean you are weak.

And it doesn't mean you aren't coping.

Your life has changed, and adjusting to that change can take considerable emotional, physical, and mental energy.

Over time, many people find that their energy and ability to engage with everyday life gradually change. There may still be difficult days, but life can begin to feel more manageable.

You don't have to force that process.

Grief Counselling in London, Ontario

At Authentic Living London, we understand that grief can affect far more than your emotions. It can change your sleep, concentration, relationships, routines, sense of identity, and ability to get through ordinary days.

Grief counselling can provide a place to talk about what has happened, make sense of the changes you are experiencing, and find ways to care for yourself while you adjust to life after loss.

Learn more about the DPM of Grief

If you are searching for grief counselling in London, Ontario, our therapists can provide a compassionate space to explore what you are going through without pressure to “move on” before you are ready.

Sometimes caring for yourself during grief means doing less, not more.

And sometimes the most important thing you can do is recognize that being exhausted by a profound loss does not mean you are failing.

It means you are going through something difficult.

You deserve support while you do.

References

Bauereiß, N., de Vries, J. M. A., Daubner, D., & others. (2018). Effects of existential interventions on spiritual, psychological, and physical well-being in adult patients with cancer: A systematic review and meta-analysis of randomized controlled trials. Psycho-Oncology, 27(11), 2531–2545. https://doi.org/10.1002/pon.4829

Cunningham, J., Shevlin, M., Cerda, C., & McElroy, E. (2025). ICD-11 prolonged grief disorder, physical health, and somatic problems: A systematic review. Clinical Psychology in Europe, 7(2), Article e14351. https://doi.org/10.32872/cpe.14351

Lancel, M., Stroebe, M., & Eisma, M. C. (2020). Sleep disturbances in bereavement: A systematic review. Sleep Medicine Reviews, 53, 101331. https://doi.org/10.1016/j.smrv.2020.101331

Williams, J., Shorter, G. W., Howlett, N., Zakrzewski-Fruer, J., & Chater, A. M. (2021). Can physical activity support grief outcomes in individuals who have been bereaved? A systematic review. Sports Medicine—Open, 7, Article 26. https://doi.org/10.1186/s40798-021-00311-z