Premature ejaculation and occasional weak erections at the age of 50 can happen because of stress, anxiety, reduced blood flow, hormonal changes, diabetes, poor sleep, low stamina, or side effects of medicines. Mild sleep apnea may also affect testosterone levels, energy, and erection quality because disturbed sleep can reduce overall physical recovery and sexual performance over time. Treatment usually focuses on improving both erection strength and ejaculation control safely. Doctors may sometimes use medicines that improve blood flow for erections, while other medicines or behavioural techniques may help delay ejaculation. Pelvic floor exercises, weight control, regular walking, reduced alcohol intake, quitting smoking, and improved sleep quality may also gradually improve sexual function. Properly managing sleep apnea is important because untreated sleep problems can worsen fatigue and sexual performance. Stress reduction and open communication with the partner may also help reduce performance anxiety. Chest pain, severe breathlessness, loss of libido, or continuously worsening erections may need more detailed heart, hormone, or sleep-related evaluation before starting sexual performance medicines.