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Cool Dreams: Diving into the Importance of Sleeping in a Cooler Environment

As we travel into the realm of restful sleep, the temperature of our sleep environment plays a critical role. Emerging studies and sleep science highlight the surprising benefits of maintaining a cooler sleep space. Let’s discover why sleeping colder could be the major key to achieving deeper and more rejuvenated sleep.  

Thermal Regulation for Quality Sleep:  

Our bodies naturally cool down as we prepare for sleep. A cooler bedroom allows this natural process to occur more efficiently. This helps in achieving and maintaining the optimal internal temperature conducive to restful sleep. Your brain needs to drop its temperature 2-3 degrees Fahrenheit to achieve optimal sleep. The ideal temperature for sleep is between 60-67 degrees Fahrenheit. When the temperature gets higher than 67 degrees, it is more difficult to fall asleep. Falling into a deep sleep is associated with cool body temperatures and being too hot can hurt your ability to fall and stay asleep.  

Melatonin Production and Circadian Alignment:  

A cooler sleep environment enhances the production of melatonin, which is the naturally produced sleep inducing hormone. It promotes the alignment of our circadian rhythm, which tells the body that it is wind down time. This synchronization allows us to fall asleep faster and achieve more restorative sleep cycles.  

Improved Sleep Quality and Duration:  

Studies indicate that a cooler sleep environment is associated with better sleep quality and for a longer period. Cooler temperatures promote the release of heat from the body, preventing disruptions in sleep caused by overheating. As a result, individuals are more likely to experience deep and more sustained periods of rest. A cooler sleep sanctuary will help with overall comfort which will create a relaxing atmosphere that encourages the body and mind to calm. This sense of “chill” (Har har har) will help in reducing restlessness, making it easier to transition to REM sleep.  

Cooling Mattresses:  

Invest in a temperature regulated mattress that will only aid in achieving a cooler sleep. Which from the studies prove, a cooler night sleep is a recovered night sleep.  A few options are the Breeze line from Tempur-Pedic, the Sealy Posturepedic Plus Hybrid line, and the Southerland Thermo Balance Hybrids 

-  Tempur-pedic Probreeze Medium and Medium Hybrid mattress  

- Tempur-Pedic Luxe Breeze Soft, Firm, or Medium Hybrid mattress 

- Sealy Posturepedic Plus Hybrid High Point Firm or Soft, The Brenham Firm or Soft Hybrid mattress, and the Albany Medium hybrid mattress 

- Southerland Thermo Balance Hybrid and Memory Foam Mattresses: NXT Firm Euro Top, Valhalla Firm Euro Top, Wrangell Hybrid, Tobert Hybrid, Sierra Hybrid, Osborn Memory Foam, Olympus Memory Foam, or Sanford Hybrid mattress  

Quick and cold tips to reduce heat in the bedroom:  

  • Turn down thermostat at night  
  • Sleep with a fan to allow circulation of cooler airflow  
  • Sleep in soft, light fabrics 
  • Cooling technology mattress  
  • Sleep with soft, light, and breathable bedding items: Cooling pillows, bamboo or tencel sheets, lighter blankets or comforters  


In the pursuit of a great night’s rest, the temperature of your sleep space is more important than you think. Embracing a cooler sleep sanctuary supports the body’s natural sleep processes, enhances comfort, and aids in overall sleep quality. Your path to a more recovering night’s sleep awaits in the cool embrace of your bedroom!  

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