NM Balance Regulation With ULLS and Loss of Sleep

Inclusion Criteria: * Age between 18 and 50 years * Regularly engaging in aerobic exercise (\> 150min/wk) and resistance exercise (\>1 time per week) for the past 12 months * Regularly sleep at least 7 hours per night Exclusion Criteria: * Age \< 18 or \> 50 years * Height between \<150 (F) or \<170 (M) and \> 190 cm (both sexes) * Waist circumference \< 55cm or \> 90cm (F) and \< 75cm or \> 100cm (M) * Body mass index \< 18.5 or \> 27.5 * Do not regularly sleep between 7 and 9 hours each night * Have a known sleep disorder * Not regularly engaging in exercise for previous 12 months * Blood clotting disorder * Heart arrhythmia * Implanted device which could negatively be affected by electrical impulse or strong magnetic field such as pacemaker, internal defibrillator, or cochlear implant * Diagnosed cardiovascular, pulmonary, renal, or metabolic disease * Pregnancy (within previous 6 months) * Oral contraceptive use (within previous three months) * High resting blood pressure (\>140 systolic and/or \> 90 diastolic) * Currently or previously undergone gender-affirming therapy (hormone therapy or sexual reassignment surgery) * Low back or leg injury in previous 6 months * Currently taking medication to assist with sleep * Muscle, bone, or joint injury that limits physical activity within previous 6 months * Neurological disorder which affects balance (such as multiple sclerosis or Parkinson's disease)