Recovery Science: What Actually Helps You Recover From Training

You do not get stronger during a workout. Training is the stimulus; the adaptation happens in the hours and days afterwards, while you recover. Get recovery wrong and harder training just digs a deeper hole. Get it right and every session counts for more.

How recovery works

Hard training should leave you a little tired. That short-term dip in performance, followed by a rebound once you have recovered, is a normal part of getting fitter. Researchers call it functional overreaching.

Problems start when training and recovery stay out of balance for too long. A joint consensus statement from the European College of Sport Science and the American College of Sports Medicine describes how this can lead to non-functional overreaching, where performance drops and does not bounce back quickly, and eventually to overtraining syndrome, a longer-lasting breakdown in how your body adapts to training. Their list of contributing factors goes beyond training itself and includes eating too little, low carbohydrate or protein intake and illness.

Sleep: the foundation

A 2021 expert consensus on sleep and athletes found that elite athletes are particularly prone to poor sleep, often getting less than 7 hours a night. Losing a full night of sleep reduces performance, and in the wider population, regularly sleeping less than 7 hours is linked to a higher risk of respiratory infections.

Interestingly, the experts concluded that a one-size-fits-all target like 7-9 hours is unlikely to be ideal, and that your own sense of how much sleep you need matters. If you wake up unrefreshed and drag yourself through sessions, you probably need more.

Habits that help

• Keep a regular schedule. Go to bed and get up at similar times, weekends included.
• Make your bedroom dark, cool and quiet.
• Watch your caffeine. In one study, 400 mg of caffeine (roughly two to three cups of coffee) taken 6 hours before bed cut total sleep by more than an hour, and people did not notice. The researchers advised avoiding caffeine after 5pm.

For more on timing your day around your body clock, see our guide to training with your circadian rhythm.

Food for recovery

Protein: total intake first, timing second

You may have heard about the 30-minute "anabolic window". A meta-analysis of protein timing found that once total daily protein was taken into account, timing made no significant difference to muscle or strength gains. The authors concluded that eating enough protein alongside resistance training is the key factor.

The International Society of Sports Nutrition suggests spreading your protein across the day, with around 20-40 g every 3-4 hours. That is three or four protein-based meals for most people.

Carbs and calories

Carbohydrates refuel your muscles, which matters most if you train hard again within a day. And be careful about eating too little overall: the overtraining consensus lists a lack of energy, carbohydrate and protein among the factors that can tip you into under-recovery.

Rest days and active recovery

Rest days do not have to mean the sofa. In a large meta-analysis of recovery methods, active recovery, such as an easy walk, cycle or swim, reduced muscle soreness, while stretching had no significant effect. Light movement on rest days is a good habit; there is no need to do anything hard.

Massage, ice baths and other recovery tools

The same meta-analysis compared the popular recovery methods head to head:

Deloads: planned lighter weeks

A deload is a period of reduced training stress designed to reduce physical and mental fatigue, promote recovery and set you up for your next block of training. A 2023 international consensus paper on deloading describes them as typically taken every 4-6 weeks and lasting about a week. The experts agreed on the following:

• How: cut the number of sets, reps or training days, and stop sets further from failure. You can keep the weights similar while reducing the volume.
• When: either planned in advance, or whenever you notice fatigue building and performance slipping.

If you log your workouts in the free BarbellBites app, your weekly training volume chart makes it easy to see when a lighter week is due.

Signs you are not recovering

According to the overtraining consensus, a drop in performance that does not bounce back, together with fatigue and changes in mood, are the classic signs that training and recovery are out of balance. Watch for:

• Lifts going backwards for a couple of weeks or more, despite consistent training
• Feeling tired all the time, even after rest days
• Low mood, irritability or losing motivation to train
• Picking up colds and other bugs more often

If you tick several boxes, take a deload, prioritise sleep and make sure you are eating enough.

A simple recovery checklist

1. 1

   Protect your sleep

   Regular times, a dark and cool room, and no caffeine late in the day.
2. 2

   Hit your protein every day

   Spread it across three or four meals, and consider a protein-rich snack before bed.
3. 3

   Eat enough overall

   Especially on hard training days. Chronic under-eating undermines recovery.
4. 4

   Move gently on rest days

   A walk or easy cycle beats total inactivity.
5. 5

   Plan a lighter week

   Roughly every 4-6 weeks, or when fatigue builds up.

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