Sleep is the new suite upgrade, and independent luxury hotels are feeling the pressure to deliver more than just a beautiful room. In this Mint Pillow Q&A, we talk with Susie Harborth, founder and CEO of restorative design and sleep health company Sencie, to dig into what it really takes to turn sleep wellness from a buzzword into a business strategy.
From restorative design to operational discipline, this conversation explores how owner-operators can protect the most valuable amenity they sell every night: deep, uninterrupted rest.
—Interview by Jennifer Glatt, edited by Bianca Prieto
If true luxury is now deep, uninterrupted sleep, how should independent hotels be reallocating capital to reflect that shift?
Guests are increasingly intentional about where they spend their time and energy. Service and aesthetics still matter, but as more brands enter the market, distinction often comes down to how a stay feels, not simply how it photographs.
For properties seeking lasting positioning, the guest room becomes a strategic asset rather than a backdrop. Investment should strengthen the integrity of that experience through sound attenuation, true darkness, thermal stability and environmental consistency. At Sencie, we refer to this as the invisible layer of care.
Sleep is not a trend layer. It is an expression of care. What hotels are offering is a place to rest. When the core product genuinely supports restoration in a way that feels authentic to the property, it becomes a meaningful differentiator. Capital allocation should therefore focus on the hero of the experience, which is the guest’s time in the room. That is where restoration happens, and increasingly, that is where we believe loyalty is built.
What’s the most overlooked operational decision that quietly sabotages a hotel’s sleep promise?
Alignment.
Even a thoughtfully designed room can fall short if daily operations are not coordinated around the same goal. Service timing, mechanical rhythms, corridor behavior and team awareness all influence the quality of the night.
Structural integrity creates the potential for rest; operational cohesion protects it. We found there were great well-being frameworks, but less [insight] on how to incorporate these suggestions into operational SOPs. That is where we saw the gap.
Sleep is not owned by one department. It requires coordination between arrival, housekeeping, engineering and room operations. If one team optimizes for efficiency while another attempts to protect stillness, the guest feels this disconnect. True sleep performance is operationally choreographed.
Restorative design is often treated as aesthetic. Where have you seen it function as a financial strategy?
Restorative design becomes a financial strategy when it is intentional and embedded in capital planning rather than applied at the end. Hotels that invest meaningfully in acoustic integrity, lighting quality and environmental comfort often see measurable shifts in guest language. That shift builds trust, and trust supports repeat visitation and pricing resilience.
When restorative design is applied holistically—meaning it is embedded into the physical infrastructure, operational practices and the guest journey—it becomes strategic. It reduces friction, improves sleep quality and influences how guests describe their stay.
The shift, ultimately, is from the perspective of restoration as an aesthetic enhancement to recognizing it as performance infrastructure. When designed with intention and executed across teams, it moves from being a nice-to-have feature to a measurable driver of guest loyalty and long-term value. Leading brands such as Six Senses, SHA Wellness and Aman are all incorporating restorative design into their properties—they may not call it that, but it is woven into the guest experience and brand ethos, each in their own respective ways.
Images courtesy Sencie
How can independent luxury hotels build real credibility around sleep well-being without drifting into gimmicks?
Credibility begins with the fundamentals. The room must protect stillness, darkness, comfort and air quality. Operations must reinforce that protection consistently. Only then should experiential elements be introduced, and they should feel integrated with the property’s identity rather than layered on for trend appeal.
Well-being should always be expressed in a way that aligns with the hotel’s identity and guest profile. Guests simply feel cared for and wake up better than they arrived.
For independent luxury owners working with real capital constraints, how do you prioritize sleep-focused investments so they drive measurable lift in ADR and loyalty rather than becoming expensive line items with vague ROI?
Capital discipline requires clarity about impact.
The most effective starting point is reducing the common sources of sleep disruption, such as transfer noise, light leakage and mechanical disturbance. These issues have an outsized influence on how guests experience their stay and whether they leave feeling restored. Many of them can be meaningfully improved without large-scale renovation.
Beyond that, investment in physical comfort and environmental stability strengthens reliability. Sleep does not need motorized blackout shades, sleep devices, biohacking or high-tech interventions. At Sencie, we focus on supporting natural rhythms—and that requires intentional, human-centered design.
The final layer is experiential. Thoughtful guest touchpoints, subtle rituals and moments of anticipation create emotional connection without requiring excessive capital.
For new builds, once structural and operational foundations are secure, experiential layering can elevate the restorative impact. For properties entering a design cycle, early advisory guidance helps ensure capital is directed toward interventions that genuinely improve sleep performance rather than surface-level upgrades with limited long-term return.
Restoration may not be the most visible feature of a hotel, but it is often the most enduring driver of loyalty.
