Waking up tired despite a full night's sleep may indicate a need for medical consultation, particularly for conditions like sleep apnea, which can manifest as excessive tiredness and snoring. Factors such as anatomical blockages in the airway or excess weight can exacerbate sleep apnea, with weight loss potentially serving as a treatment. On the other hand, circadian rhythm disorders are increasingly prevalent due to lifestyle changes and the pervasive influence of blue light, which can inhibit melatonin production and disrupt sleep patterns. An awareness of these conditions is essential for maintaining healthy sleep hygiene.