Mumbai: Traya Health released findings from its female hair health study covering 380,363 women across India on stress levels, sleep quality, and gut health alongside hair fall patterns. Women with hair fall show high stress, poor sleep, and gut issues. All three are higher in women with side thinning or partition widening.
At Traya, we have a clear point of view on what this
means. Stress, sleep, and gut health are established biological contributors to
hair fall, each through a distinct and well-documented mechanism. Elevated
cortisol from chronic stress shortens the hair growth phase. Poor sleep
disrupts the overnight repair that follicles depend on. Gut dysfunction impairs
absorption of the nutrients (iron, vitamin D, and zinc) that hair follicles
need to grow.
Still, most women address hair fall from the outside with oils, shampoos, and
topical treatments. This study points to what is happening internally.
- 95.8% of women in this study have noticeable hair fall.
- Thinning is the most common pattern (53.7%), followed by partition widening (22.1%) and side thinning (19.1%).
- 52% of women are under moderate to high stress, 38.1% are not sleeping well, and 51.7% have gut issues.
- 46.6% of women have two or more of these three, and 1 in 6 (16.4%) has all three.
- Women with side thinning or partition widening show higher stress, poorer sleep, and a heavier gut burden than women with thinning.
The Internal Health Picture
Stress
- 52% of women in this study are under moderate to high stress, and more than 1 in 4 (25.3%) feel tense almost every day.
- Chronic stress is a known biological contributor to hair fall. Elevated cortisol, the body’s primary stress hormone, shortens the active hair growth phase, pushing follicles into the resting phase earlier than they should. Sustained stress can also disrupt hormones such as oestrogen, which extends the growth phase and protects follicle health. When these hormones are disturbed, follicles become more vulnerable to shedding.
- The result builds slowly. Hair fall from stress does not arrive suddenly; it accumulates over months. And because the shift is gradual, most women never connect the stress they have been carrying to the hair fall they are now experiencing.
Sleep
38.1% of women in this study are not sleeping well.
Poor sleep is a known biological contributor to hair fall. During deep sleep,
the body releases growth hormone, essential for cell renewal inside hair
follicles. When sleep is consistently disrupted, this overnight repair is cut short.
Follicles that do not repair fully produce thinner, weaker hair with each
growth cycle. Over time, density reduces.
The hair fall that follows is slow and diffuse. Most women attribute it to stress or age. The sleep deficit building quietly over years is almost never identified as a contributing factor.
Gut
51.7% of women in this study have gut issues, such as acidity, bloating,
gas, or constipation.
The gut is where the nutrients that hair follicles depend on are absorbed. When
gut function is impaired, absorption of these nutrients can drop even when
dietary intake is adequate. A woman can be eating well, taking supplements, and
still be nutritionally deficient at the follicle level if her gut is not
processing effectively. Iron deficiency in particular is one of the most common
and under-diagnosed contributors to hair fall in women and is frequently missed
because the gut connection is never investigated.
Saloni Anand, Co-Founder, Traya Health
“Hair- fall is a sign of what is happening internally. I have spoken to
thousands of women who keep switching products and supplements, waiting for a
miracle instead of looking at what is happening inside their bodies. Almost
none of them had ever been told that their stress, their sleep, or their gut
health was connected to their hair. That conversation has been missing in India
for too long. This study is our attempt to start it.”
Stress, sleep, and gut health do not work in isolation.
They can compound each other.
Stress disrupts sleep, and poor sleep keeps cortisol elevated, amplifying the
hormonal disruption that affects hair growth. The gut and the brain signal to
each other, so gut distress and stress can reinforce each other, while poor
absorption starves follicles of the nutrients they need. In this study, the
three often show up together. 46.6% of women have two or more of them.
The Internal Burden Is Heavier Where Hair Fall Is More Visible
Women in this study were assessed on both their hair fall pattern and their internal health markers. Women with thinning, the most common pattern, sit slightly below the national average on all three markers. Women with side thinning or partition widening sit above it on all three.
|
Hair Fall Pattern |
% of Women |
Stress |
Sleep |
Gut |
|
Thinnng |
53.7% |
51.4% |
37.5% |
50.1% |
|
Side Thinning |
19.1% |
54.2% |
39.2% |
54.6% |
|
Partition Widening |
22.1% |
53.6% |
39.6% |
54.1% |
|
National Average |
|
52.0% |
38.1% |
51.7% |
Women with side thinning or partition widening show higher stress, poorer sleep, and a heavier gut burden than women with thinning. The gaps are modest, between 2 and 4 points, but they are consistent across every marker. This matches what we see at Traya: women with side thinning or partition widening tend to carry more internal pressure.
|
Region |
Stress |
Sleep |
Gut |
|
Maharashtra |
52.8% |
41.1% |
52.4% |
|
Karnataka |
51.5% |
40.0% |
49.4% |
|
UP |
50.1% |
34.7% |
53.2% |
|
Telangana |
53.7% |
42.1% |
44.1% |
|
Delhi |
51.7% |
37.3% |
56.0% |
|
West Bengal |
57.7% |
39.3% |
58.7% |
|
Gujarat |
51.5% |
35.6% |
50.1% |
|
Tamil Nadu |
55.6% |
43.1% |
45.4% |
|
Madhya Pradesh |
50.4% |
34.3% |
50.0% |
|
Bihar |
47.5% |
32.6% |
51.9% |
|
Rajasthan |
48.9% |
31.1% |
50.8% |
|
Odisha |
52.5% |
35.5% |
54.9% |
|
National Average |
52% |
38.1% |
51.7% |
West Bengal has the highest stress and the highest gut
burden of any region in the study. Stress is 57.7%, 5.7 points above the
national average. Gut issues are 58.7%, 7 points above. Nearly 6 in 10 women
there have gut issues, which can limit how nutrients reach the hair follicle.
Stress disrupts the hormones that protect hair. In West Bengal, both sit well
above the national average at the same time.
Tamil Nadu has the worst sleep. 43.1% of women are
not sleeping well, 5 points above the national average and the highest of any
region. Stress at 55.6% is 3.6 points above. Poor sleep cuts short the
overnight repair that follicles depend on, and stress disrupts the hormones
that keep follicles in their growth phase. In Tamil Nadu, both are above the
national average at the same time.
Telangana: stress and sleep are both above the national average. Stress at 53.7% is 1.7 points above. Poor sleep at 42.1% is 4 points above and the second worst of any region. Stress disrupts sleep, and poor sleep keeps cortisol elevated, amplifying the hormonal disruption that affects hair growth.
Delhi NCT has the second-highest gut burden, after West Bengal. 56.0% of
women have gut issues, 4.3 points above the national average. Gut distress can
affect how women absorb iron, vitamin D, and protein. A woman can eat well and
supplement regularly and still not see results if her gut is not absorbing
effectively. In Delhi, that is more than 1 in 2 women.
Traya's Read
More than 1 in 4 women (25.3%) feel tense almost every
day. 38.1% are not sleeping well. More than half have gut issues. Nearly half
have two or more of the three, and the burden is heavier in women whose hair
fall has moved to the sides or the parting.
Most Indian women dealing with hair fall have been addressing it from the
outside. This study points inward. Stress needs to be addressed. Sleep needs to
be protected. The gut needs to be investigated, because until the absorption
gap is identified and corrected, the nutrients hair follicles need may not be
arriving.
At Traya, we start with the internal picture and treat it alongside the scalp.
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