Always Tired? How to Boost Energy Through Motherhood (Without Burning Yourself Out)
- Tazmin Lewis

- Feb 5
- 4 min read
Feeling exhausted has become almost a badge of honour in motherhood — but that doesn’t mean it’s something you have to simply accept.
Whether you’re trying to conceive, pregnant, postpartum, breastfeeding, or juggling it all with broken sleep and mental load, many mothers tell me the same thing:
“I know I’m tired… but this feels like more than just tired. Something is not right”
If that resonates, you’re not alone.
Motherhood places huge physical, emotional and nutritional demands on your body. Add the constant mental load of planning, organising, decision making and caring for others, and it’s no surprise so many of us feel depleted, foggy and flat whilst not to mention that motherhood literally changes the gray matter in our brains!
As a prenatal and paediatric dietitian — and a mother who has been there — I want to help you understand:
when fatigue might be a sign your body needs more support
what actually helps improve energy levels
and how to nourish yourself realistically during this season of life
When Is Fatigue More Than Just Tiredness?
Some tiredness is expected during pregnancy, postpartum, and times of disrupted sleep.
But ongoing exhaustion that doesn’t improve with rest may be linked to things like:
irregular eating or under fueling
blood sugar dips
dehydration
low iron, vitamin B12 or vitamin D
increased nutrient needs during pregnancy and breastfeeding
chronic stress and mental overload
Fatigue is often multi-factorial, which is why quick fixes rarely work.

Eat Regularly to Stabilise Energy and Mood
One common pattern among tired mothers is skipping meals or going long hours without eating. This usually happens because we are too busy caring for everyone else.
When meals are skipped or delayed, blood sugar levels drop. This can lead to:
low energy
irritability and emotional overwhelm (not ideal when dealing with little ones that test our patience!)
poor concentration
intense cravings later in the day
Over time, under fuelling also increases the risk of nutrient deficiencies.
Practical ways to eat more regularly
This doesn’t have to mean elaborate meals:
Aim for three meals and 1–3 snacks most days
Batch cook or bulk prep when you have capacity
Keep easy, shelf-stable snacks nearby (oatcakes, crackers, nuts, nut butter, dried fruit)
Add, rather than restrict - for example:
a handful of nuts with a chocolate bar
frozen veg or salad alongside a ready meal
This is about adequate fuel, not perfect nutrition.
Hydration Is Often Overlooked but Vital
Mild dehydration alone can contribute to:
tiredness
headaches
poor focus
dizziness
If most of your fluid intake comes from tea and coffee (often half-finished), hydration may be part of the picture causing your tiredness. Mothers, especially those who are breastfeeding or pregnant, need extra fluids to support their bodies.
Aim to drink water consistently throughout the day. Carry a water bottle with you and set reminders if needed. Herbal teas or infused water with lemon or cucumber can add variety and encourage hydration.
A simple strategy that works: habit stacking
Habit stacking means attaching a new habit to something you already do.
Examples:
Drink water before meetings start
Sip water every time you sit down to feed your baby
Keep a bottle in the buggy or by your bed
Set gentle reminders if needed
Little and often is very achievable
Movement Can Boost Energy Even When You Feel Exhausted
It might seem counterintuitive, but gentle movement can increase your energy levels.
Research shows that regular movement:
improves circulation and oxygen delivery
supports blood sugar regulation
boosts mood through endorphins
reduces stress and mental fatigue
This does not mean pushing through exhaustion.
Supportive options include:
walking
stretching
swimming
postnatal or pregnancy safe workouts
Movement should support recovery, not drain you further
Fresh Air and Daylight Help Regulate Energy
Time outside is often overlooked but incredibly powerful.
Natural daylight helps regulate your circadian rhythm (your body clock), which influences sleep quality and energy levels. Exposure to green space and fresh air has also been shown to reduce stress hormones and mental fatigue.
Even small moments count:
a short walk
standing outside with a warm drink
daylight exposure during pram walks
Nutrition Doesn’t Need to Be Perfect but Should Be Enough
Motherhood is one of the most nutritionally demanding stages of life.
If your diet feels inconsistent or limited, a suitable multivitamin can help fill in the gap to reduce the risk of deficiencies
Key nutrients you may wish to consider if energy levels are low
Iron – deficiency is common and a leading cause of fatigue
Vitamin B12 – essential for energy metabolism and nervous system health
Vitamin D – low levels are widespread, especially in the UK
Folate, iodine and magnesium – support energy, hormones and thyroid function
When to consider blood tests
If fatigue feels persistent, unexplained or worsening, you may wish to see your GP for some blood tests which can provide valuable insight. Common tests to review include:
ferritin (iron stores)
full blood count
vitamin B12
vitamin D
thyroid markers
Reclaim Your Energy
Feeling exhausted during motherhood is common, but it doesn’t have to be your normal. By eating regularly, staying hydrated, moving gently, and spending time outside, you can support your energy levels in practical ways or least not exacerbate them!
Start with one change today, whether it’s a healthy snack, a short walk, or a glass of water, and build from there.




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