Deprecated: Return type of WPUM\Brain\Cortex\Route\PriorityRouteCollection::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Route/PriorityRouteCollection.php on line 62

Deprecated: Return type of WPUM\Brain\Cortex\Route\PriorityRouteCollection::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Route/PriorityRouteCollection.php on line 69

Deprecated: Return type of WPUM\Brain\Cortex\Route\PriorityRouteCollection::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Route/PriorityRouteCollection.php on line 76

Deprecated: Return type of WPUM\Brain\Cortex\Route\PriorityRouteCollection::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Route/PriorityRouteCollection.php on line 83

Deprecated: Return type of WPUM\Brain\Cortex\Route\PriorityRouteCollection::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Route/PriorityRouteCollection.php on line 90

Deprecated: Return type of WPUM\Brain\Cortex\Route\PriorityRouteCollection::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Route/PriorityRouteCollection.php on line 97

Deprecated: Return type of WPUM\Brain\Cortex\Route\QueryRoute::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Route/DerivativeRouteTrait.php on line 41

Deprecated: Return type of WPUM\Brain\Cortex\Route\QueryRoute::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Route/DerivativeRouteTrait.php on line 50

Deprecated: Return type of WPUM\Brain\Cortex\Route\QueryRoute::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Route/DerivativeRouteTrait.php on line 59

Deprecated: Return type of WPUM\Brain\Cortex\Route\QueryRoute::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Route/DerivativeRouteTrait.php on line 67

Deprecated: Return type of WPUM\Brain\Cortex\Route\Route::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Route/Route.php on line 62

Deprecated: Return type of WPUM\Brain\Cortex\Route\Route::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Route/Route.php on line 69

Deprecated: Return type of WPUM\Brain\Cortex\Route\Route::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Route/Route.php on line 76

Deprecated: Return type of WPUM\Brain\Cortex\Route\Route::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Route/Route.php on line 83

Deprecated: Return type of WPUM\Brain\Cortex\Router\RouteFilterIterator::accept() should either be compatible with FilterIterator::accept(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Router/RouteFilterIterator.php on line 56

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Uri/WordPressUri.php on line 66

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Uri/WordPressUri.php on line 66

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Uri/WordPressUri.php on line 66

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Uri/WordPressUri.php on line 66

Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /sites/dev.grateful.org/files/wp-content/plugins/wp-user-manager/vendor-dist/brain/cortex/src/Cortex/Uri/WordPressUri.php on line 66
Sonja Lyubomirsky, Author at Grateful.org

Light a Candle Send an eCard Private Journal Brother David

Author Archives:

Sonja Lyubomirsky

Articles

How Gratitude Motivates Us to Become Better People

by Greater Good Science Center

Some critics charge that gratitude is selfish and breeds complacency. But research by Christina Armenta…

Articles

How to Practice Gratitude

by Sonja Lyubomirsky

When a practice loses its freshness or meaningfulness, don’t hesitate to make a change in…

Research

Eight Ways Gratitude Boosts Happiness

by Sonja Lyubomirsky

Discover eight research-backed ways that practicing gratitude works to make you happier.

cup of tea, notebook

Articles

Expressing Gratitude

by Sonja Lyubomirsky

What determines happiness? Together with fellow scientists Ken Sheldon and David Schkade, Sonja Lyubomirsky discovered…

Sonja Lyubomirsky

About the author

Sonja Lyubomirsky, Ph.D., is professor of psychology at UC Riverside and the author of the best-selling books The How of Happiness and The Myths of Happiness. Dr. Lyubomirsky is a leader in the field of well-being science. Lyubomirsky’s research focuses on the benefits of happiness, why some people are happier than others, and how happiness can be durably increased.

A graduate of Harvard and Stanford, Dr. Lyubomirsky has won many honors, including the Faculty of the Year Award (twice) and Distinguished Research Lecturer Award from UC Riverside, a Templeton Positive Psychology Prize, a Science of Generosity grant, and a Psychology & Philosophy grant.

See more content by Sonja Lyubomirsky