At the end of the day, you may have completed every task on your agenda, including answering emails, meeting your step goal, even remembering to water the plants. Yet, as the day comes to a close, you feel a strange hollowness.

This quiet dissatisfaction is a common experience. Despite staying busy and productive, many of us end the day feeling emotionally undernourished. That's because productivity and emotional fulfillment are not the same. Efficiency may keep life moving, but it doesn't necessarily make it feel meaningful.

To understand what contributes to a more fulfilling day, consider turning to a well-established psychological framework: Self-Determination Theory. According to research on Self Determination Theory, human well-being depends on the satisfaction of three fundamental psychological needs:

• Autonomy. Experiencing a sense of choice and self-direction.
• Competence. Feeling effective and capable in your actions.
• Relatedness. Feeling connected to and cared for by others.

When these needs are unmet, even the most efficient day can feel emotionally empty.

Here are three science backed ways to design your day for emotional nourishment, not just output.

1. Protect A Pocket Of Autonomy

It's not surprising that caregivers, parents and those navigating demanding jobs or juggling multiple roles often find it hard to feel good on days when they don't get to choose anything for themselves.

Most hours are pre-assigned before the day even begins. But research shows that how much freedom you feel in those hours matters far more than what you're doing with them.

A 2020 study published in The Journal of Positive Psychology found that moment-to-moment feelings of autonomy, that is, having a sense of choice and personal agency, were the strongest predictor of emotional well-being, more so than the activity taking place (work, rest or play).

When people felt even moderate levels of autonomy, their mood, engagement and sense of meaning significantly increased. That boost, however, plateaued at high levels of autonomy, suggesting that you don't need total freedom. All you need is just enough to feel like you're participating in your day and not passively moving through it.

• Waking up 15 minutes before the rest of your household to enjoy your coffee in silence. Your way, your rhythm.
• Choosing your clothes based on how you feel, other than just what fits the occasion.
• Blocking out a "no meeting" or "no social media" window in your calendar.
• Saying a small, clean "no" to something you don't want to do, and taking that no as a full sentence. Without over-explaining.

When we don't exercise choice, even in small ways, we begin to lose a sense of authorship over our lives. Autonomy is what helps us feel like we're living it up. And that feeling of intentional participation is the real fuel behind meaning, motivation and emotional nourishment.

2. Create A Micro-Moment Of Mastery

Many people have a hunger for success. But what we often overlook is that the most meaningful sense of achievement comes from the littlest signs of self-efficacy rather than an objectively grand milestone.

In reality, competence is lived out in the small, everyday acts of doing well. And this "quality-in-doing" is not just about skill. It's actually more about meaning, reflection and the small feelings that we are becoming more of ourselves through action.

A cross-disciplinary study of competence highlights this beautifully. Drawing from the work of Dewey, Vygotsky and Bourdieu, the research shows that competence emerges from our ongoing, culturally embedded interactions with our environment. It's not simply "knowing how," but also "knowing why" we act. It's a deeply reflective, identity-shaping process. This means even the smallest act, done with presence and purpose, can lead to monumental growth.

So, next time you do the following, take this as a step towards building the muscle of "becoming," strengthening the reflexive loop between action and identity:

• Tidy a neglected corner of your space and "feel" the shift
• Complete a task that's been mentally cluttering your energy
• Handle something with more steadiness than you would've in the past
• Stick with something uncomfortable and notice that you "could"

Remember, competence isn't about perfection. It's about creating a felt sense of "I can." And when you feel even a little capable in your world, you become more grounded in yourself. That's the essence of emotional nourishment. Feeling effective on your own terms.

3. Seek Out A Moment Of Meaningful Connection

You can text 30 people from your contact list and still feel completely alone. Do you know why? Because relatedness doesn't depend on frequency or scale. It depends on presence. Even a simple meaningful interaction that makes you feel seen, safe and sincere, can emotionally rehydrate an otherwise dry day.

And it's impact is biological. A 2019 study of over half a million adults found that social isolation was strongly associated with a higher risk of death across race and sex. The most isolated participants faced a risk of dying from all causes roughly two times higher than the least isolated. The absence of real connection had a particularly significant impact on cardiovascular health, outweighing even the influence of different lifestyle activities.

In other words, your body registers disconnection as danger. In such cases, even brief, genuine moments of relatedness can regulate your nervous system, improve emotional well-being and protect your long-term health.

So, choose for yourself what you want your connections to look like. To make them more meaningful, try your hand at one of these behaviors:

• Sharing something sincere with someone.
• Making eye contact with someone you love, even if it's just across the kitchen.
• Initiating a social plan with a close friend to meet in-person or on a call, saying "I'd love to catch-up with you in-depth today."
• Be someone's moment of warmth. Offer a kind word, a thoughtful message or a small act of care.

When you offer that presence to someone else, it goes both ways. It nourishes the giver as well as the receiver. These subtle moments of connection may do more than lift your mood; they might actually extend your life.

A nourishing day may look uneventful on paper. But deep inside, it's extremely rich.

Are you feeling fulfilled in ways that are regulated and emotionally sustainable? Take the science-backed Flourishing Measure to find out.

A similar version of this article can also be found on Forbes.com,here.