Possible experiences of Kundalini Awakening

Physical Experiences:

Behavioural changes

Increased spiritual practices (prayer, meditation), increased focus on spiritual issues and settings, increased study of spiritual topics, powers of oratory on spiritual matters, increased enjoyment of beauty and nature, increased spiritual pursuits, increased desire for a simpler, more balanced lifestyle, improved dietary observations, increased rest and relaxation, increased uplifting physical activity (walking, gardening, singing, dancing), increased activities involving creativity and concentration, spontaneous composition of poems, prose, or music, increased focus on and great energy for purposeful work, increased altruistic service activities, enhanced ability to overcome addictions and negative behaviors, increased ability to disengage from dysfunctional relationships. Aversion to negative people or crowds, shifting food sensitivities and cravings or aversions, sleep pattern changes, sexual activity changes, disinterest in formerly enjoyed "worldly" activities, making a sudden change in one's life, dislike for interaction, keeping of silence. New or intensified addictions, anorexia, restlessness, aversion or inability to work, sudden uncharacteristic acting out.

External physical phenomena

Automatic gesturing of the arms and hands (mudras), spontaneous movement or posturing (kriyas), deep automatic breathing or retention of breath (pranayama), engaging the three bandhas (contracting locks at the anus, abdomen, and throat), glossalalia (spontaneously reciting phonemes, mantras, prayers, or poems, singing hymns, or speaking foreign languages unknown to the individual), feeling buoyant and full of energy, the face glowing, the eyes shining, pupils dilating. Spontaneous dancing, hand clapping, outstretching of the arms and legs, sudden running or jumping, involuntary weeping or laughing, head and facial movements, the tongue rolling back, eyes closing or rotating or gazing between the eyebrows, decreased or increased need for sleep, transient rashes, itching, eyes tearing, spontaneous orgasm, hair standing on end, night sweats. Involuntary jerks or spasms or shaking, contractions of the body, arching of the back, pelvic movements, convulsions, the seated body jumping, falling down into trance, assuming a fixed posture, involuntary vocalizations (shouts, animal sounds, deformed sounds) insomnia, early morning awakenings, hyperactivity, exhaustion.

Internal physical sensations

Enhanced sensory acuity and sensitivity, increased energy, a floating or spacey sensation, enhanced health. Inner sensory experiences (sounds, light, smells, tastes, touch), energy currents in the spine, sensations of energy localized in the body (chakras, nadis), throbbing at the anal area, electric tingling, a sensation of something throbbing inside or crawling on the skin, energy vibrations and currents in the nerves, spine, and brain, feeling intoxicated, feeling bodiless, digestive system changes, appetite swings, changes in sexual desire, sexual sensations, increased body heat, hot flashes, cold flashes or localized sensations, loss of body awareness. Increased sensitivity to  environmental toxins, energy swings, nervous energy, lethargy, nausea, fevers, abdominal pain, discomfort in the heart (spinning, pressure, pain), dramatic variations in heartbeat (pounding, racing, stopping), headaches, backaches, migratory body pains, localized temporary numbness, light sensitivity, eyes burning, visual difficulties, temporary blindness

Psychological Experiences:

Emotional conditions

Spontaneous waves of bliss, joy, and contentment, deep compassion, devotional focus, spiritual yearning, increased centeredness and objectivity, increased capacity for love and forgiveness, increased sensitivity to others' feelings, increased altruism, increased feelings of unity with creation, decreased materialism and greed, increased desire to heal from emotional issues, loss of fear of death, emotional balance in perturbed conditions. Detachment, desire for a different life, spontaneous surfacing of repressed unconscious issues. Fear of being influenced by unknown forces, fear of going crazy, a conviction one is dying, mood swings, emotional instability, periods of depression, loneliness, anxiety, anger, fear, panic, dread, or guilt, psychological symptoms more intensely experienced.

Mental factors

Flashes of genius, improved concentration, increased mental flexibility, special talents. The mind becomes inward and vacant. Temporary confusion, difficulty concentrating on tasks, scattered thoughts, mental dulling.

Personality factors

Increased peak experiences, increased self-actualizing traits, increased belief in the divine or One, increased spiritual impulse, increased maturation of the personality, increased clarity of self and values, increased belief in the unity of humanity, increased tolerance and balance, increased intuition, increased ability to see the underlying point of things, increased creativity, increased personal magnetism, highly developed moral sense, increased virtue, increased insight regarding personal issues, abandonment of self-destructive patterns. Spontaneous surfacing of unconscious issues, intensification of unresolved psychological issues. Panic attacks, fear of losing control, boundary issues, depersonalization, dissociative feelings, derealization, delusions, inflation, fanaticism.

Non-ordinary Experiences

Paranormal phenomena

Prophetic visions, precognition, telepathy, clairvoyance, psycho-kinetic experiences, increased synchronicity, past lives recall, ability to heal or to balance disturbed energies in self and others, ability to see auras, feeling able to influence another's mind or know the contents of their mind, intuitive awareness, encounters with nonmaterial entities (the deceased, lower astral beings, aliens, spirit guides), channeling, out of body experiences, astral/time travel experiences, near death experiences, creative inspiration, receiving inner instruction, communion with nature and animals.

Spiritual experiences

Divine altered states, experience of deep unitive and expansive consciousness, all sense of separateness disappears, profound feelings of connection with a spiritual source, expanded comprehension of reality, illumination experiences, holy trances, receiving instructions from the divine; sacred visions (of deities, angels, saints), feeling the presence of a saint or deity, visions of light, floating in the light, visions of glowing geometric shapes, sacred auditions (of teachings, mantras, music), tasting sacred nectar (amrita), feeling sacred touch (wind, presence, touch), insightful comprehension of scripture, prophetic revelations of new spiritual wisdom, feelings of connection with a spiritual guide or lineage, deep intuitive knowledge of self and others; inspired creativity, powers of spiritual oratory and composition, increased experience of unusual synchronistic events, greater incidence of prayers being answered, spontaneously going into a deep meditative experience at regular times or when inspired.

Source: Kundalini Vidya, Joan Shivarpita Harrigan