The phrase encapsulates methods and strategies employed to increase the rigidity and support offered by a sleeping surface. For example, individuals might explore different mattress toppers or foundation enhancements to achieve a desired level of firmness.
Increased bed firmness can contribute to improved spinal alignment, potentially alleviating back pain and enhancing sleep quality. Historically, the preference for firmer sleeping surfaces has varied across cultures and time periods, often linked to prevailing medical beliefs and available materials.