Two distinct breathing techniques bracket a lift-focused session, both underappreciated multipliers on training stimulus and recovery, related to Nine Adaptations Framework.
Hold the breath during the eccentric (lowering) phase and exhale during the concentric (lifting) phase; on higher-rep sets, reset breath roughly every third rep rather than breathing on every single rep.
A deliberate parasympathetic-shifting routine immediately post-workout — nasal breathing, exhale-emphasized breathing (e.g. 2:1 exhale:inhale ratio, 4-in/8-out), box breathing (4-4-4-4), or physiological sighs, for 3–5 minutes (as little as 1 minute after high-intensity efforts) — is described as necessary, not optional, to clamp post-exercise adrenaline and speed recovery between workouts. An estimated 98% of trainees skip this entirely.
The same down-regulation technique is recommended after any "high-volatility" social interaction, not just workouts — good fighters use it between rounds, sprinters between events. Un-clamped post-workout adrenaline can also cause a delayed 3–4 hour energy crash that's easy to misattribute to nutrition/meal timing.
Source: Galpin/Huberman, "Essentials: How to Build Strength, Muscle Size & Endurance."
Concrete protocol for the down-regulation window (Galpin): slow nasal breathing at roughly a 5-second inhale / 5-second exhale cadence, held for a few minutes at the end of a session. Primarily prescribed for workouts that land close to bedtime, to blunt the nervous-system arousal from training late and protect sleep onset.
Source: Huberman Lab Guest Series w/ Andy Galpin, "Optimize Your Training Program for Fitness & Longevity."
Box Breathing: equal-length inhale/hold/exhale/hold (e.g., 5-5-5-5), cadence calibrated to personal CO2 tolerance (see HRV as a Recovery Signal's CO2 Tolerance Test), used post-workout for several minutes to down-regulate and lower resting heart rate.
Triangle Breathing: simpler variant — inhale/hold/exhale, no second hold.
Cyclic Sighing: two nasal inhales followed by one extended exhale (Stanford lab protocol); 5-minute sessions lower resting heart rate and stress markers more effectively than unstructured meditation per the source.
Down-regulation vs. up-regulation: extended-exhale patterns (box, triangle, cyclic sighing) calm the nervous system for post-training recovery; accentuated-inhale/restricted-exhale patterns instead activate it — use as a quick state shifter before a peaking-phase session rather than a recovery tool.
Acute vs. chronic state shifters: acute shifters (movement, up-regulation breathing, music, motivational cues, comfort foods, bright light) change state within seconds-minutes and suit a peaking phase or a single flat day. Chronic shifters (sleep improvement, social connection, journaling, meditation, adaptogens/electrolytes/nutrition, reducing training load) are for when a recovery marker stays depressed beyond ~7 days — address underlying causes instead of reaching for a quick trick. Motivational "parlor tricks" (loud music, stimulants) lose effectiveness with overuse since the catecholamine system depends on a high signal-to-noise ratio, and daily reliance breeds doubt about self-motivation, not just physical crash.
Source: Andy Galpin, Huberman Lab — Maximize Recovery to Achieve Fitness & Performance Goals.