I found these on the following website. I recommend you visit the website for more information. The nature of these symptoms has changed over the past 20 years or so, and this is a great overview of what they are like now.
Ascension Symptoms dot com
You just ‘know’ or sense that something is happening/changing. You just feel different for reasons you can’t explain.
Stomach and digestive issues, IBS, gasto-intestial problems; loss of appetite; periods of unexplained nausea.
Sudden changes in body temperatures; increased sensitivity or intolerance to heat or cold; abnormal heat and/or cold in certain body parts.
Cold or Flu-like symptoms that appear and then dissapear just as suddenly without escalating.
Frequent headaches; head pressure or other unusual sensations in the crown area; warmth, tingling, pinpricks, pulsating energy.
Increase in sensitivity of smell; strange smells from time to time that seem to come out of nowhere; Sinus and allergy issues.
Changes in vision and perception; catching glimpses of shadows, mist or smoke, flashes of light, sparkles, colors and swirling forms of energy.
Changes in hearing or sensitivity to sound; hearing strange sounds, tones and frequencies in your ears; whooshing, buzzing or ear popping/pressure.
Periods where you feel extremely cold for long periods of time or have a chill in your body, cold hands or feet; circulation issues.
Changes in diet, appetite and eating habits; Sudden cravings for or aversions to certain foods; Unexplainable weight gain or loss.
Sudden intolerances/allergies to certain food or other products and chemical sensitivities.
Changes in sleep patterns; waves of extreme fatigue that come and go unexpectedly; periods of restlessness or insomnia; a need for more or less sleep than normal;
Sporadic sleep schedules; repeated waking in the middle of the night especially around 3 am; unusual dreams or more lucid dreams.
Increase in daydreaming, fantasy; flashes of insights and visions; increased creativity and imagination.
Intense waves of heat throughout the body, hot flashes, chills or night sweats; feeling extremely hot or waves or warming energy in various chakra centers.
Increased static electrical charge in the body; energy ‘zaps’, tingles, itching, pinpricks; muscle spasms or twitches that occur sporadically in certain parts of the body.
General body aches and pains, tension and soreness not caused by injury or exercise.
Clumsiness, lack of coordination at times, bumping into or dropping objects more often; dizziness or feeling ungrounded.
Sporadic bursts of increased energy or inspiration; feeling hyper-active or frantic energy; panic attacks; accelerated mental energy; racing or scattered thoughts.
Unexplainable nervousness or anxiety that comes and goes spontaneously for no apprent reason.
Feeling Intense or unusual vibrations; experiencing pulsating or rushing waves of energy, tingling sensations pressure throughout the body or in specific areas (chakra centers).
Exteme sensitivity; feeling over-emotional; Episodes of crying for no apparent reason or bouts of hysterical laughter for no apparent reason.
Periods of intense frustration, anger or rage, short-tempered or easily agitated or impatient.
Moments where you experience increase in heart rate out of the blue, or unusual sensations in the heart chakra area.
Unusual skin changes that come and go (rashes, hives, itching or tingles).
Changes in hair and nail texture, color or rate of growth. Hair and nails may grow faster than normal.
Feeling more drawn to be in nature and in more serene environments.
A sudden increase in synchronicity (meaningful coincidences); seeing 11:11 or other recurring numbers often.
Abrupt changes with job, friends, hobbies, interests, or living environments or strong urge to relocate.
Physicality may feel ‘unreal’ at times and external reality appears dreamlike at times.
Increased “self talk” or inner dialogue; issues with voice or speech.
A need for more personal space and alone time; introversion.
Feeling invisible, alienated or detached from from others and/or the world around you.
Feeling lost or a sudden loss of your old ‘identity’ and a calling to find your true self.
A deep longing to go Home even though you may not know where ‘home’ is.
Asense of urgency like you are running out of time or that ‘something is about to happen’.
Moments of heightened energy where you may receive channeled information ; or automatic writing.
Sudden lack of mental focus and ability to concentrate or comprehend linear information; feeling scattered; brain fog; confusion; forgetting things more often.
Feeling ungrounded at times, scattered or spacey thoughts; feeling detatched or in a dream-like trance.
Time distortions; losing track of time; a sense that time is ‘speeding up’ or ‘slowing down’ at various moments;
You begin to see halos of light around people, animals and objects; distorted or blurred vision; sensitivity to bright light; more intense closed-eye visions.
Increased Telepathy with other people and animals; flashes of insight and increased Intuition.
Feeling that you have a Divine purpose on the planet and that you are on a special ‘mission’.
Profound feeling of love, peace, understanding and interconnectedness with All things.
Increased psychic awareness and sensitivity, clairvoyance, clairaudience, clairsentience, and intuition.
Bizarre or intense dreams; prophetic or precognitive dreams or dreamlike visions occuring more often.
Electronic devices may malfunction often in your presence (lights may flicker or bulbs burn out often).
A feeling that you are not alone or that there is a non-physical presence near you (visits from angelic beings, spirits, e.t’s, messengers and guides)
Experiencing sudden inspirations and divine revelations, rushes of energy and flashes of deep insight.
A feeling that something is ‘about to happen’ or something important is coming, although you don’t know what or when.