Sloane Abernethy spent eight years as a clinical sleep therapist at the Corrigan Sleep and Neurology Center in Vancouver before she noticed a pattern in physician referrals: high-performing clients rarely had primary sleep disorders. Instead, their work and life schedules made restorative sleep architecturally impossible — no amount of standard cognitive behavioral therapy for insomnia would remedy a calendar stacked with calls until 11 PM. In 2019 she left the clinic, completed advanced training in circadian biology through the Sleep Science Institute of North America, and launched Abernethy Sleep Performance, a remote coaching practice that has since worked with more than 200 executives, founders, and CEOs across four countries.
Abernethy holds a master’s degree in clinical psychology with a sleep specialization from the University of British Columbia, giving her a clinical and research-informed foundation in a field where many providers default to generic sleep-hygiene checklists. Her approach prioritizes sleep education and measurable interventions designed to improve sleep performance and daytime energy for executives and founders.
Intake and assessment are data-forward and practical. Typical elements include a 14‑day sleep diary, review of wearable metrics (heart-rate variability and sleep-stage data), a structured interview on circadian preference, stress architecture, lifestyle and schedule factors, and a light-exposure audit. These inputs create a baseline that informs individualized coaching plans; Abernethy does not prescribe medication and coordinates care with clients’ physicians when needed.
For quick scanning, key intake steps are:
Two-week sleep diary and subjective sleep education questionnaire
Wearable data review: HRV, sleep stages, sleep onset latency, and total sleep hours
Structured interview covering circadian preference, stressors, and lifestyle/food/exercise timing
Light exposure and evening routine audit to target restorative slow‑wave and REM architecture
This structured, evidence-aligned intake lets coaching sessions move quickly from assessment to action: clients receive tailored strategies to manage time, meals, exercise placement and light exposure so daytime systems support night sleep quality. If desired, include links to the UBC sleep program and the Sleep Science Institute for readers who want training and education references.
Abernethy begins every engagement with a simple provocation: sleep is not merely recovery — it’s a performance input that should be scheduled with the same intentionality as a board meeting. Her core methodology, which she calls “sleep pressure architecture,” treats the 16 waking hours as the system that builds the biological drive for deep, restorative sleep. The practical elements she uses with executives include:
Adenosine accumulation strategies: structure wakeful activity and timed caffeine use so sleep pressure builds naturally by evening (for example, avoid caffeine after early afternoon).
Morning light anchoring: strong daylight exposure within the first hour awake to set circadian timing and improve daytime focus and energy.
Cortisol-curve management: optimize meal timing and exercise placement (for example, move the last large meal two hours earlier; schedule intense workouts earlier in the day) to avoid evening physiological arousal that degrades night sleep quality.
Cognitive descent: a 60–90 minute progressive wind-down that reduces neural arousal through staged activities (low-stimulus work cutoffs, light dimming, and brief mindfulness or journaling) to improve sleep onset and restorative slow‑wave sleep.
Framing sleep as a performance input reframes common sleep issues for executives: instead of isolated night fixes, the solution is a daytime system that supports night sleep quality and overall cognitive performance. When applied consistently, these tactics aim to improve sleep performance, daytime focus, and energy — measurable benefits for leaders who depend on peak decision-making. (For readers who want deeper context, cite circadian biology and sleep-education sources such as peer-reviewed reviews or institutional training programs.)
What Abernethy most often finds in high-performing clients is a mismatch between sleep quantity and sleep quality. Executives commonly report six to eight hours in bed yet wake unrefreshed, lean on caffeine to reach baseline focus, and accept a mid‑afternoon cognitive trough as inevitable. Wearable and diary data typically show suppressed slow‑wave sleep in the first half of the night — the phase most responsible for physical restoration and deep cognitive consolidation. Common drivers in her cohorts include late alcohol intake, evening screen exposure, and elevated core body temperature from late meals or late workouts. “They are clocking the hours,” she says, “but not getting the architecture.”
Quick checklist for executives seeking better sleep architecture:
Limit alcohol to at least 3–4 hours before planned night sleep to protect slow‑wave sleep.
Reduce evening blue light: implement a screen cutoff or blue‑light filters 60–90 minutes before bed.
Time your last large meal 2–3 hours before bedtime and avoid late high‑intensity exercise that raises core temperature.
Use brief midday strategic naps or light exposure to manage energy without degrading night sleep (discuss with a sleep coach for personalized timing).
Why slow‑wave sleep matters: this stage supports physical recovery, immune function, and the consolidation of declarative memory — all critical for executives whose work demands clear thinking and sustained energy. For readers wanting evidence-based solutions, consider sleep coaching that addresses daytime systems (timing, light, meals, movement) rather than quick fixes; Abernethy’s approach combines coaching, sleep education, and data review to target the system-level problems that create poor night sleep quality.
Client outcomes are tracked with a combination of wearable data (sleep stages, sleep onset latency, total sleep hours, and HRV) and structured subjective performance reports over a typical 12‑week coaching engagement. In one case, a managing director at a private equity firm reduced sleep onset latency from 45 minutes to under 12 minutes within six weeks by restructuring evening light exposure and moving his last large meal two hours earlier. In another, a founder who had been using sleep aids roughly three nights per week was fully off them by week eight after stimulus-control strategies and adenosine-management tactics were implemented. Across Abernethy’s most recent cohort of 22 clients, slow‑wave sleep increased by an average of 14 percentage points, per internal cohort data.
A few notes on how results are measured: wearable metrics provide objective changes in night sleep architecture, while weekly performance checklists and energy/focus ratings capture daytime benefit. Abernethy does not prescribe medication; when pharmacologic questions arise she coordinates with clients’ physicians and documents limitations and safety considerations in the coaching plan.
Her opening counsel to every new client is blunt: if you are using weekends to “catch up” on sleep, the weekday system is broken. Short-term recovery can mask cumulative sleep debt, which accumulates neurologically over months and years and undermines cognitive performance. Executives who wear sleep deprivation as a badge of resilience often arrive at coaching wondering why decision‑making, focus, and energy have degraded.
Sloane Abernethy does not promise a quick fix for night sleep; she offers a systems approach that redesigns the day so night sleep becomes restorative. If you want to explore a structured, data-driven path to better sleep performance and daytime energy, inquire about an initial assessment or a discovery call to learn about engagement options and cost.
