There is evidence to suggest that daily sex can indeed improve sleep quality. Engaging in sexual activity releases endorphins, which are hormones that promote relaxation and feelings of happiness. These endorphins can help reduce stress and anxiety, making it easier to fall asleep and stay asleep throughout the night.

Additionally, sex can also increase the production of oxytocin, which is often referred to as the "love hormone." Oxytocin promotes feelings of bonding and intimacy, which can create a sense of security and comfort that is conducive to a good night's sleep.

Furthermore, the physical exertion involved in sexual activity can also contribute to better sleep. Similar to other forms of exercise, sex increases heart rate and releases tension in the muscles. This can lead to a sense of physical tiredness, making it easier to drift off into a deep and restful sleep.

While there is limited scientific research specifically focused on the relationship between daily sex and sleep quality, there are studies that highlight the positive effects of regular sexual activity on overall well-being and life satisfaction. For example, a study published in the journal "Social Psychological and Personality Science" found that individuals who had sex more frequently reported higher levels of happiness and life satisfaction.

It is important to note that individual experiences may vary, and factors such as underlying health conditions, stress levels, and overall relationship satisfaction can also impact sleep quality. If you are experiencing sleep disturbances, it is always advisable to consult with a healthcare professional who can provide personalized advice and guidance.

In conclusion, while more research is needed to establish a direct link between daily sex and sleep quality, the release of endorphins, the increase in oxytocin levels, and the physical exertion involved in sexual activity can contribute to improved sleep. Engaging in a healthy and consensual sexual relationship can have positive effects on overall well-being, which may indirectly enhance sleep quality.