Summer reset: supporting steady energy after birth, not summer pressure

As the weather becomes warmer and summer approaches, many health messages begin to focus on “resetting”, “getting back in shape”, or preparing for the season ahead. These messages often centre on weight loss, restrictive diets or rapid lifestyle changes.

For women and birthing parents in the months after having a baby, these narratives can feel particularly intense. The postnatal period is already a time of enormous adjustment physically, hormonally and emotionally. Adding pressure to change appearance or dramatically alter eating habits can make recovery more difficult rather than easier.

A more helpful approach to a “summer reset” after birth may focus on something much simpler: supporting steady energy.

Energy levels in the postnatal period are influenced by many factors including sleep disruption, hormonal recovery, nutritional demands and the physical work of caring for a baby. When energy is supported consistently, many other aspects of wellbeing begin to improve as well.

Understanding how the body regulates energy after pregnancy can help explain why gentle, sustainable habits are often more effective than quick fixes.

Why energy feels different after pregnancy

Pregnancy and birth place substantial demands on the body’s metabolic systems. Blood volume increases, nutrient stores are used to support the developing baby and hormonal systems shift dramatically.

After birth, the body begins the process of rebuilding and recalibrating these systems. At the same time, daily life often becomes more physically and mentally demanding.

Sleep is frequently interrupted, particularly in the early months. Fragmented sleep can influence hormones involved in appetite, stress regulation and blood sugar control.

Hormones also change rapidly after delivery. Oestrogen and progesterone levels fall significantly in the days following birth. These hormones interact with neurotransmitters that influence mood, energy and motivation.

If breastfeeding, the body also requires additional energy to support milk production. Producing breast milk uses approximately 400 to 500 additional calories per day for many women.

These combined factors mean that energy regulation during the postpartum period is often more fragile than usual.

Blood sugar stability and postpartum fatigue

One lesser discussed contributor to postnatal fatigue is blood sugar instability.

Blood sugar levels naturally rise after eating and fall gradually as the body uses glucose for energy and stores any excess. When meals contain a balance of carbohydrates, protein and fats, this process tends to occur slowly and steadily.

However, when meals are skipped or consist primarily of rapidly absorbed carbohydrates such as sweets and biscuits, blood sugar can rise quickly and then drop sharply. These fluctuations may contribute to energy crashes, irritability and increased hunger later in the day.

In early motherhood, irregular eating patterns are common. Feeding schedules, nap routines and the unpredictability of daily life with a baby can make regular meals difficult.

Some mothers find themselves eating quickly between tasks or relying on convenient snack foods. While this is often unavoidable at times, consistently long gaps between meals or highly processed snacks may worsen energy fluctuations.

Supporting more stable blood sugar does not require complex meal plans. Often it involves small adjustments such as including a source of protein and fibre alongside carbohydrates and eating at reasonably regular intervals during the day.

Nutritional recovery after birth

Another important aspect of postnatal energy involves replenishing nutrient stores that may have been depleted during pregnancy and birth.

Iron is particularly important in this context. Blood loss during delivery can significantly reduce iron levels, and low iron stores are a common cause of fatigue in the months after birth.

Symptoms of low iron can include persistent tiredness, breathlessness during activity, dizziness and difficulty concentrating. These symptoms can easily be attributed to the general demands of caring for a newborn, which means iron deficiency sometimes goes unnoticed.

Other nutrients also play a role in supporting recovery and energy. B vitamins are involved in energy metabolism, while adequate protein intake supports muscle repair and hormonal regulation.

A balanced diet that includes a variety of whole foods can help support these processes over time.

Hydration and energy

Hydration is another factor that is often overlooked when discussing energy levels.

Even mild dehydration can contribute to fatigue, headaches and reduced concentration. For lactating mothers, fluid needs may be higher due to milk production.

Because caring for a baby often involves long periods focused on feeding, soothing or holding the baby, it can be easy to forget to drink regularly.

Simple strategies such as keeping water nearby during feeds or pairing hydration with existing routines can help maintain adequate fluid intake throughout the day.

Rethinking the idea of a “summer reset”

The concept of a summer reset often implies dramatic change. Diet culture messaging frequently promotes restrictive eating, detox programmes or intense exercise routines as ways to transform the body quickly.

For women and birthing parents recovering from pregnancy, these approaches can place additional strain on the body during a time when nourishment and gradual recovery are needed most.

Restrictive diets may worsen fatigue, disrupt blood sugar regulation and reduce the intake of important nutrients. They can also increase psychological pressure at a time when many mothers are already navigating significant adjustments.

A more supportive interpretation of a summer reset may focus on creating conditions that allow the body to recover gradually. Rather than restriction, the emphasis shifts toward nourishment, stability and sustainable routines.

Seasonal foods that support recovery

Seasonal produce can be a helpful way to support postnatal nutrition without needing complicated meal plans. In the UK, early summer brings a variety of fruits and vegetables that provide nutrients particularly relevant to recovery after pregnancy.

Strawberries are one of the first widely available summer fruits. They are rich in vitamin C, which plays a role in immune function and supports the absorption of iron from plant-based foods. Because iron deficiency is a common contributor to fatigue after birth, pairing vitamin C-rich foods with iron-containing meals can be helpful.

Leafy greens such as spinach, spring greens and watercress also become widely available in early summer. These foods provide iron, folate and magnesium. Folate supports cell repair and red blood cell production, while magnesium contributes to muscle function and nervous system regulation.

Fresh peas and broad beans are another seasonal option that provide both fibre and plant protein. Including protein alongside carbohydrates helps support more stable blood sugar levels, which can reduce energy fluctuations during the day.

New potatoes, commonly harvested in late spring and early summer, provide complex carbohydrates and potassium. Potassium supports fluid balance and muscle function, both of which are important during postpartum recovery.

Seasonal oily fish such as mackerel are also rich in omega-3 fatty acids. These fats play a role in brain health and may contribute to mood regulation during the postpartum period.

Incorporating seasonal foods into simple meals can help support nutrient intake without requiring major dietary changes. A meal such as grilled mackerel with new potatoes and spring greens, or a snack of yoghurt with strawberries and nuts, can provide a combination of protein, fibre, healthy fats and micronutrients that support energy and recovery.

Practical ways to support steady energy

Small, consistent habits often provide the greatest benefit when it comes to postpartum energy.

Eating regularly during the day can help prevent large fluctuations in blood sugar. Including protein sources such as eggs, yoghurt, beans, lentils, fish or poultry alongside carbohydrates can help meals feel more satisfying and provide steadier energy.

Adding fibre through whole grains, vegetables, fruits and legumes can further support blood sugar stability and digestive health.

Hydration can also make a noticeable difference. Keeping a water bottle nearby during feeds or meals can help ensure fluid intake remains consistent.

Gentle movement outdoors may also support energy regulation. Daylight exposure helps regulate circadian rhythms, the body’s internal clock that influences sleep, hormone production and metabolism.

Short walks, even for ten or fifteen minutes, can provide both physical and psychological benefits.

Importantly, these habits do not need to be implemented perfectly to be helpful. Even small adjustments can gradually support more stable energy patterns.

A final word

The postnatal period is a time of rebuilding rather than rapid transformation. While summer messaging often emphasises appearance-based goals, many mothers and birthing parents benefit more from focusing on how their body feels and functions.

Supporting steady energy through balanced nutrition, hydration and gentle routines can help create the conditions for recovery to unfold naturally.

Over time, as sleep improves and the body continues to heal from pregnancy and birth, many women notice that energy levels begin to stabilise.

A summer reset does not need to involve pressure or restriction. In the postnatal period, it can simply mean supporting the body with the consistency and care it needs to recover.

Written by Hesta Health and validated by Hesta's Tazmin Lewis, a UK registered dietitian.