What Is Attachment Parenting? What the Research Actually Shows

Attachment parenting is one of the most discussed —
and most debated — parenting philosophies of the
past three decades. Its advocates describe it as
the most natural, responsive, and developmentally
sound approach to raising children. Its critics
describe it as exhausting, guilt-inducing, and
based on a misreading of attachment science.

The research tells a more nuanced story than
either camp fully acknowledges. This article
covers what attachment parenting actually is,
what the science behind it genuinely supports,
what it does not support, and what parents
need to know to make informed decisions
about the practices it promotes.

What Attachment Parenting Is

Attachment parenting is a parenting philosophy
developed and popularized by pediatrician
William Sears and his wife Martha Sears
in the 1990s, most fully articulated in
their 2001 book The Attachment Parenting Book.

The Searses identified seven core practices —
the “Seven Bs” — that they argued promote
secure attachment between parent and child:

Birth bonding — maximizing skin-to-skin
contact and connection immediately after birth.

Breastfeeding — described as promoting
physical and emotional connection.

Babywearing — carrying the baby in a
sling or carrier for much of the day.

Bedsharing — sleeping in the same bed
as the baby or in close proximity.

Belief in the baby’s cries — responding
promptly to all infant cries rather
than allowing the baby to “cry it out.”

Beware of baby trainers — skepticism
toward scheduled feeding and sleep
training approaches.

Balance — maintaining balance in
the parents’ own lives and relationships.

The Searses explicitly drew on
attachment theory — the research of
John Bowlby and Mary Ainsworth —
to support these practices, arguing
that they promote secure attachment
in children.

What Attachment Science Actually Shows

Here is where it is important to be
precise — because attachment parenting
as a philosophy and attachment theory
as a scientific framework are not
the same thing, and the relationship
between the specific practices of
attachment parenting and the research
on secure attachment is more complex
than the philosophy’s advocates suggest.

What attachment research genuinely supports:

Sensitive, responsive caregiving builds
secure attachment. This is the most
consistent finding in attachment research —
and it is the genuine scientific foundation
of attachment parenting’s core intuition.
Research by Ainsworth and by subsequent
researchers consistently finds that
sensitive responsiveness — noticing
the baby’s signals and responding to
them appropriately and promptly —
is the strongest predictor of
secure attachment.

Secure attachment matters for
long-term development. Research
by Alan Sroufe at the University
of Minnesota’s longitudinal study
finds that secure attachment in
infancy predicts better social
competence, emotional regulation,
and mental health across childhood,
adolescence, and adulthood.

What attachment research does not show:

That the specific practices of
attachment parenting are necessary
for secure attachment. Research
does not find that breastfeeding,
babywearing, or bedsharing are
required for secure attachment.
Secure attachment develops across
a wide range of caregiving practices —
across cultures, family structures,
and parenting approaches — as long
as sensitive responsiveness is present.

Research by Michael Lamb and
others on cross-cultural attachment
finds secure attachment rates
of approximately sixty to sixty-five
percent across widely different
cultures with very different
caregiving practices — including
cultures where infants sleep
separately, are not worn,
and are cared for by multiple
caregivers rather than
primarily by the mother.

That more intensive parenting
practices produce more secure attachment.
Research does not find a linear
relationship between the intensity
of parenting practices and
attachment security. A parent
who breastfeeds and wears and
bedshares is not, on the basis
of those practices alone,
more likely to have a
securely attached child than
one who bottle feeds, uses
a pram, and has the baby
sleep in a crib — if both
parents are sensitively responsive.

The Specific Practices — What the Research Shows

Breastfeeding. Research on breastfeeding
and infant health finds significant
benefits for physical health —
reduced risk of infection,
some evidence for reduced risk
of obesity, and possible modest
cognitive benefits. Research on
breastfeeding and attachment security
specifically finds no significant
effect — securely attached infants
are as likely to be bottle-fed
as breastfed. The health benefits
of breastfeeding are real.
The attachment benefits are not
specifically demonstrated.

Babywearing. Research on infant
carrying and development finds
modest benefits — reduced crying
in some studies, possible benefits
for vestibular development.
Research on babywearing and
attachment security specifically
finds no significant effect
independent of maternal sensitivity.
Babywearing can be a lovely
way to maintain closeness —
it is not required for
secure attachment.

Bedsharing. This is the most
contested of the attachment
parenting practices, and the
one where safety concerns
are most significant.

Research on bedsharing and
attachment security does not
find consistent benefits —
secure attachment develops
equally well in infants
who sleep separately.

Research on bedsharing and
infant safety finds significant
concerns. The American Academy
of Pediatrics consistently
recommends against bedsharing
for infants under one year,
citing elevated risk of
sudden infant death syndrome
and accidental suffocation —
particularly when the sleeping
surface is soft, when parents
have consumed alcohol or
sedating medications, or
when parents are very tired.

Room-sharing — having the
infant sleep in the same
room as parents but in
their own sleep surface —
is recommended by the AAP
as a safer alternative
that provides many of
the proximity benefits
of bedsharing.

Responding to cries. This practice
has the clearest research support
of all the attachment parenting
practices. Research on infant
cry responsiveness and attachment
consistently finds that prompt,
appropriate response to infant
distress signals is one of
the strongest predictors of
secure attachment.

Research on sleep training —
the practice of allowing
infants to learn to settle
independently, sometimes involving
a period of crying — finds
that well-implemented sleep
training does not harm
attachment security or
emotional development.
A 2019 review by Harriet
Hiscock and colleagues found
no negative effects of
behavioral sleep interventions
on infant-parent attachment,
child emotional development,
or maternal mental health.

The Balance Problem

One of the most important —
and often overlooked —
of the Searses’ seven practices
is balance. Research on
parental wellbeing and
parenting quality consistently
finds that a parent who is
exhausted, depleted, or
resentful of the demands
of caregiving is less able
to provide the sensitive,
warm responsiveness that
builds secure attachment.

Research on intensive parenting —
parenting approaches that
demand continuous parental
presence and involvement —
finds associations with
higher parental stress,
higher rates of parental
depression, and in some
studies, worse child outcomes —
because parental wellbeing
is itself a critical
determinant of parenting quality.

This finding is not an
argument against responsive
parenting. It is an argument
for sustainability — for
the recognition that
the most important thing
a parent can provide
is their warm, available,
regulated presence, and
that this presence requires
parental wellbeing that
intensive parenting practices
may compromise.

What This Means for Parents

Attachment parenting’s core
intuition is right: sensitive,
responsive caregiving builds
secure attachment, and secure
attachment matters. This is
genuine science, not ideology.

The specific practices it
promotes are more variable
in their evidence base —
some are well-supported
(responsive caregiving),
some are modestly supported
(babywearing), some carry
safety concerns (bedsharing
in certain conditions),
and some have been distorted
from the original research
(the implication that
sleep training harms attachment).

The most important message
from attachment research
for parents is not a list
of practices. It is a
quality of relationship:
warm, available, responsive,
repaired when it goes wrong.
That quality is achievable
within many different
parenting approaches —
and is not the exclusive
property of any single philosophy.

The Bottom Line

Attachment parenting captures
something genuinely important:
the responsiveness, warmth,
and availability of the
caregiver are the foundations
of secure attachment and
healthy child development.

Where it goes beyond the
science is in implying that
specific practices — bedsharing,
babywearing, extended breastfeeding —
are necessary for these outcomes.
They are not. Secure attachment
develops across a wide range
of caregiving practices,
in many different family structures,
cultures, and circumstances —
as long as sensitive responsiveness
is the consistent thread.

Choose the practices that
work for your family,
your circumstances,
and your own wellbeing.
The research supports
the relationship,
not the checklist.

Sources

Ainsworth, M. D. S., Blehar, M. C.,
Waters, E., & Wall, S. (1978).
Patterns of Attachment.
Lawrence Erlbaum.

Sears, W., & Sears, M. (2001).
The Attachment Parenting Book.
Little, Brown.

American Academy of Pediatrics.
(2022). Safe Sleep Recommendations.
pediatrics.aappublications.org

Hiscock, H., Bayer, J., Hampton, A.,
Ukoumunne, O. C., & Wake, M. (2008).
Long-term mother and child mental
health effects of a population-based
infant sleep intervention.
Pediatrics, 122(3), e621–e627.

Lamb, M. E. (2005).
Attachments, social networks,
and developmental contexts.
Human Development, 48(1-2),
108–112.