Nearly one-third of human life is spent on sleeping, an easily reversible state of relative unresponsiveness and stillness which occurs more or less regularly and cyclically each day. A great sleep can subsidize countless positive outcomes, like better overall health, less sluggishness during the day, along with better mental health. The kind of sleep affects the health of the patient. Monitoring vital functions, like body temperature and sweating during sleep, is very important for sleep monitoring and clinical diagnosis. Smart pillows provide a relatively easy way to control sleep by placing humidity sensors and temperature in strategic locations. The patient’s daily sleep information is very helpful in making decisions about diagnosis and treatment. Consumers can check their data with healthcare providers and gradually change their sleep habits. One can keep a check on their body condition when they sleep under various environmental parameters (humidity, brightness and temperature). The results indicate that one sleeps best in a dark and cool environment. © 2020, World Academy of Research in Science and Engineering. All rights reserved.