Even when you are asleep, your posture is still looking at your phone

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Only healers know that even when you’re asleep, your posture is still looking at your phone

The posture of looking down at your phone affects all body organs; prolonged use may lead to health issues such as spinal problems, eye strain, and digestive system disorders.

The image shows a standard posture for looking at your phone — yes, even watching screens has become standardized, and may even be a key component in our future evolution (or degeneration). Let’s analyze how this posture affects tension in organs and muscles from head to toe:

– Cervical spine and neck muscles: Looking down at the phone causes the cervical spine’s physiological curvature to become straight, significantly increasing intervertebral disc pressure; upper trapezius, sternocleidomastoid, levator scapulae, and other neck muscles remain chronically tense, which can easily lead to cervical muscle strain and degenerative changes over time.

– Eye muscles and organs: The ciliary muscle continuously contracts to adjust lens focus on the screen; eye muscles such as the orbicularis oculi become fatigued due to prolonged visual focusing, easily leading to eye fatigue, dry eyes, and may exacerbate myopia or astigmatism progression.

– Arm muscles: The biceps and triceps continuously maintain the arm-raising posture, while the anterior deltoid of the shoulder is also in a state of tension, easily causing musculoskeletal strain in the shoulders and arms.

– Hand muscles: The thenar and hypothenar muscles, as well as finger flexors, contract to hold the phone;蚓状肌 and interosseous muscles become repeatedly tense due to frequent screen touch operations, which can easily lead to ‘phone hand’ (carpal tunnel syndrome, tendinitis).

– Spine and back muscles: Tilting forward causes the thoracic and lumbar vertebrae to deviate from their normal physiological curvature; muscles such as the erector spinae and multifidus remain chronically tense, increasing intervertebral disc pressure, which can lead over time to lumbar muscle strain and lumbar disc herniation.

– Abdominal muscles: The core muscle group passively generates force to maintain body balance; the rectus abdominis and oblique muscles remain in tension, affecting abdominal blood circulation and muscle metabolism, easily leading to abdominal muscle fatigue and core strength imbalance.

– Lower limbs: Under standing posture, leg muscles such as the quadriceps and gastrocnemius continuously contract to maintain body stability; prolonged periods can easily cause lower limb muscle soreness, fatigue, or even affect blood circulation.

– Respiratory system: Tilting the body forward and bending the thoracic spine compresses the chest cavity volume, restricts full expansion of lung lobes, reduces pulmonary ventilation, and long-term exposure can easily lead to chronic hypoxia, increasing respiratory burden, especially for individuals with underlying conditions such as asthma or COPD.

-Cardiovascular system:

Abnormal thoracic pressure can interfere with venous blood return to the heart and increase cardiac pumping resistance;

– Continuous muscle tension stimulates sympathetic nervous system nervous system activation, causing increased heart rate and elevated blood pressure; long-term exposure may easily trigger cardiovascular dysfunction, increasing risks of hypertension and arrhythmia.

-Digestive system:

-Tight abdominal muscles and spinal curvature can compress abdominal organs (such as stomach, intestines, liver), affect gastrointestinal motility rhythm, leading to weakened digestive function and symptoms such as abdominal distension, constipation, delayed gastric emptying;

– Core muscle imbalance also interferes with normal visceral nerve conduction, further inhibits digestive fluid secretion, and exacerbates indigestion.

-Endocrine system: Poor posture-induced chronic muscle tension and nervous disorders interfere with endocrine regulation via the hypothalamic-pituitary-adrenal axis; long-term exposure may lead to hormonal imbalance, such as decreased insulin sensitivity (increasing diabetes risk) or abnormal cortisol secretion (triggering anxiety and metabolic disorders).

-Urological system: Although direct compression is minimal, overall reduced metabolism and autonomic nervous system disorders indirectly affect kidney filtration and excretion functions, increasing long-term risk of metabolic waste accumulation in the urinary system.

-Male Reproductive System:

1. Prostate: Prolonged sitting compresses the pelvic cavity, causing obstruction of venous return from the prostate, easily leading to prostatic hyperemia; long-term exposure increases the risk of prostatitis and benign prostatic hyperplasia, resulting in symptoms such as frequent urination, urgency, and perineal discomfort.

2. Testes and Sperm: Poor posture indirectly affects local heat dissipation in the scrotum (e.g., abdominal fat accumulation, poor ventilation due to posture), raising testicular temperature, disrupting an optimal environment for sperm production, which may lead over time to reduced sperm motility and decreased quantity, affecting fertility.

3. Sexual function: Compression or traction of pelvic nerves (e.g., genital nerves) combined with sustained sympathetic nervous system nerve activation can affect blood supply during erection, increasing the risk of erectile dysfunction.

-Female Reproductive System:

1. Uterus and Ovaries: Pelvic compression causes poor venous return in the uterus and ovaries, leading to pelvic congestion; long-term effects may exacerbate dysmenorrhea, menstrual disorders, or even affect ovarian endocrine function (e.g., estrogen secretion imbalance), increasing the risk of ovarian cysts and endometriosis.

2. Pelvic floor function: Tension in abdominal muscles and curvature of the spine can weaken the support of pelvic floor muscles, leading over time to pelvic floor dysfunction, manifested as urinary incontinence and pelvic organ prolapse (such as uterine prolapse, vaginal wall protrusion), severely affecting quality of life.

3. Sexual function and fertility: Compression of pelvic nerves and hormonal imbalance can affect vaginal blood flow and lubrication during sexual arousal, leading to pain during intercourse and decreased libido; additionally, abnormal uterine position (such as anterior or posterior tilt) and insufficient ovarian blood supply also increase the difficulty of conception.

When you put down your phone and prepare to sleep, the following nerves may still maintain certain tension due to the ‘memory effect’ or physiological regulation lag caused by long-term poor posture. Let’s see what craniosacral therapists will find on you:

– Peripheral motor nerves (residual tension支配肌肉)

1. Neck nerves:

– Occipital nerves: Control occipital muscles; prolonged低头 causes muscle fascia tension, even when lying down, the “tension memory” of occipital muscles may maintain mild tension in these nerves, potentially causing soreness and tightness in the occipital area during sleep.

– Cervical nerve roots (C5-C7): The nerves支配ing the shoulders and upper limbs, due to long-term compression, may still cause “adaptive abnormalities” in nerve conduction even after posture correction, leading to hidden muscle tension in the shoulders and arms, affecting limb relaxation during sleep.

2. Upper limb nerves:

– Median and ulnar nerves: Chronic stimulation from prolonged phone holding can cause microcontractions in hand muscles (such as the thenar and flexor digitorum muscles) even during sleep, pulling these nerves and causing numbness or soreness in fingers at night.

3. Trunk and pelvic floor nerves:

– Thoracic and lumbar nerve branches: The ‘tension memory’ generated by long-term spinal curvature in the erector spinae muscles and abdominal muscles causes continuous mild stimulation of支配 nerves, affecting deep relaxation in the waist and abdomen, leading to discomfort in the lower back during sleep.

– Genital nerves: Pelvic floor muscles remain chronically tense due to core imbalance; residual tension from pelvic floor nerves during sleep may interfere with relaxation of pelvic organs, increasing risk of nocturia or pelvic discomfort.